--
-- PostgreSQL database dump
--

SET statement_timeout = 0;
SET client_encoding = 'UTF8';
SET standard_conforming_strings = on;
SET check_function_bodies = false;
SET client_min_messages = warning;

--
-- Name: util; Type: SCHEMA; Schema: -; Owner: -
--

CREATE SCHEMA util;


--
-- Name: SCHEMA util; Type: COMMENT; Schema: -; Owner: -
--

COMMENT ON SCHEMA util IS 'IMPORTANT: Functions must always return NULL in place of '''' (the empty string). This ensures that empty strings do not find their way into VegBIEN.';


SET search_path = util, pg_catalog;

--
-- Name: col_cast; Type: TYPE; Schema: util; Owner: -
--

CREATE TYPE col_cast AS (
	col_name text,
	type regtype
);


--
-- Name: col_ref; Type: TYPE; Schema: util; Owner: -
--

CREATE TYPE col_ref AS (
	table_ regclass,
	name text
);


--
-- Name: compass_dir; Type: TYPE; Schema: util; Owner: -
--

CREATE TYPE compass_dir AS ENUM (
    'N',
    'E',
    'S',
    'W'
);


--
-- Name: datatype; Type: TYPE; Schema: util; Owner: -
--

CREATE TYPE datatype AS ENUM (
    'str',
    'float'
);


--
-- Name: _alt(anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _alt("0" anyelement DEFAULT NULL::unknown, "1" anyelement DEFAULT NULL::unknown, "2" anyelement DEFAULT NULL::unknown, "3" anyelement DEFAULT NULL::unknown, "4" anyelement DEFAULT NULL::unknown, "5" anyelement DEFAULT NULL::unknown, "6" anyelement DEFAULT NULL::unknown, "7" anyelement DEFAULT NULL::unknown, "8" anyelement DEFAULT NULL::unknown, "9" anyelement DEFAULT NULL::unknown, "10" anyelement DEFAULT NULL::unknown, "11" anyelement DEFAULT NULL::unknown, "12" anyelement DEFAULT NULL::unknown) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT coalesce($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13)
$_$;


--
-- Name: _and(boolean, boolean, boolean, boolean, boolean); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _and("0" boolean DEFAULT NULL::boolean, "1" boolean DEFAULT NULL::boolean, "2" boolean DEFAULT NULL::boolean, "3" boolean DEFAULT NULL::boolean, "4" boolean DEFAULT NULL::boolean) RETURNS boolean
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT bool_and(value)
FROM
(VALUES
      ($1)
    , ($2)
    , ($3)
    , ($4)
    , ($5)
)
AS v (value)
$_$;


--
-- Name: FUNCTION _and("0" boolean, "1" boolean, "2" boolean, "3" boolean, "4" boolean); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION _and("0" boolean, "1" boolean, "2" boolean, "3" boolean, "4" boolean) IS '_and() ignores NULL values, while AND combines them with the other values to potentially convert true to NULL. AND should be used with required fields, and _and() with optional fields.';


--
-- Name: _avg(double precision, double precision, double precision, double precision, double precision); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _avg("0" double precision DEFAULT NULL::double precision, "1" double precision DEFAULT NULL::double precision, "2" double precision DEFAULT NULL::double precision, "3" double precision DEFAULT NULL::double precision, "4" double precision DEFAULT NULL::double precision) RETURNS double precision
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT avg(value)
FROM
(VALUES
      ($1)
    , ($2)
    , ($3)
    , ($4)
    , ($5)
)
AS v (value)
$_$;


--
-- Name: _dms_to_dd(text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _dms_to_dd(value text DEFAULT NULL::text) RETURNS double precision
    LANGUAGE sql IMMUTABLE STRICT
    AS $_$
SELECT (g[1]||'1')::integer*util._dms_to_dd(deg := g[2]::double precision, min := g[3]::double precision, sec := g[4]::double precision, dir := g[5]::util.compass_dir)
FROM 
(
    SELECT regexp_matches($1, '^ *(-?)(\d{1,3}(?:\.\d*)?)(?:(?:deg|[°º])(?: *([\d.]+)(?:min|[''’]))?(?: *([\d.]+)(?:sec|["”]))?)? *([NESW])? *$')
    UNION ALL
    SELECT ARRAY[g[1], g[2], g[3]||'.'||g[4], NULL, g[5]]
    FROM regexp_matches($1, '^ *(-?)(\d{2,3})(\d{2})(\d{3}) *([NESW])? *$') matches (g) -- [D]DDMMmmm, where MMmmm = MM.mmm
)
matches (g)
$_$;


--
-- Name: _dms_to_dd(double precision, double precision, double precision, compass_dir); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _dms_to_dd(deg double precision DEFAULT NULL::double precision, min double precision DEFAULT NULL::double precision, sec double precision DEFAULT NULL::double precision, dir compass_dir DEFAULT NULL::compass_dir) RETURNS double precision
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT sum(value)*COALESCE(util._map('N=>1,E=>1,S=>-1,W=>-1', $4::text)::integer, 1)
FROM
(VALUES
      ($1)
    , ($2/60)
    , ($3/60/60)
)
AS v (value)
$_$;


--
-- Name: _dms_to_dd(text, text, text, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _dms_to_dd(deg text DEFAULT NULL::text, min text DEFAULT NULL::text, sec text DEFAULT NULL::text, dir text DEFAULT NULL::text) RETURNS double precision
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT util._dms_to_dd($1::double precision, $2::double precision, $3::double precision, $4::util.compass_dir)
$_$;


--
-- Name: _eq(anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _eq("left" anyelement DEFAULT NULL::unknown, "right" anyelement DEFAULT NULL::unknown) RETURNS boolean
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT $1 = $2
$_$;


--
-- Name: _fix_date(date, date); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _fix_date(value date DEFAULT NULL::date, threshold date DEFAULT NULL::date) RETURNS date
    LANGUAGE sql IMMUTABLE
    AS $_$
-- Fix dates after threshold date
-- This fixes e.g. 2-digit years before 1970 misinterpreted as 20xx
SELECT (CASE WHEN $1 > COALESCE($2, now()) THEN ($1 - '100 years'::interval)::date ELSE $1 END)
$_$;


--
-- Name: _if(boolean, anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _if(cond boolean DEFAULT NULL::boolean, "then" anyelement DEFAULT NULL::unknown, "else" anyelement DEFAULT NULL::unknown) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT (CASE WHEN $1 THEN $2 ELSE $3 END)
$_$;


--
-- Name: _if(text, anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _if(cond text DEFAULT NULL::text, "then" anyelement DEFAULT NULL::unknown, "else" anyelement DEFAULT NULL::unknown) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT util._if($1 != '', $2, $3)
$_$;


--
-- Name: _join(anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _join("0" anyelement DEFAULT NULL::unknown, "1" anyelement DEFAULT NULL::unknown, "2" anyelement DEFAULT NULL::unknown, "3" anyelement DEFAULT NULL::unknown, "4" anyelement DEFAULT NULL::unknown, "5" anyelement DEFAULT NULL::unknown, "6" anyelement DEFAULT NULL::unknown, "7" anyelement DEFAULT NULL::unknown, "8" anyelement DEFAULT NULL::unknown, "9" anyelement DEFAULT NULL::unknown) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT NULLIF(concat_ws('; ', $1, $2, $3, $4, $5, $6, $7, $8, $9, $10), '')
$_$;


--
-- Name: _join_words(anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _join_words("0" anyelement DEFAULT NULL::unknown, "1" anyelement DEFAULT NULL::unknown, "2" anyelement DEFAULT NULL::unknown, "3" anyelement DEFAULT NULL::unknown, "4" anyelement DEFAULT NULL::unknown, "5" anyelement DEFAULT NULL::unknown, "6" anyelement DEFAULT NULL::unknown, "7" anyelement DEFAULT NULL::unknown, "8" anyelement DEFAULT NULL::unknown, "9" anyelement DEFAULT NULL::unknown) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT NULLIF(concat_ws(' ', $1, $2, $3, $4, $5, $6, $7, $8, $9, $10), '')
$_$;


--
-- Name: _label(anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _label(label anyelement, value anyelement) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT coalesce($1 || ': ', '') || $2
$_$;


--
-- Name: _lowercase(text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _lowercase(value text) RETURNS text
    LANGUAGE sql IMMUTABLE STRICT
    AS $_$
SELECT lower($1)
$_$;


--
-- Name: _map(hstore, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _map(map hstore, value text) RETURNS text
    LANGUAGE plpgsql IMMUTABLE STRICT
    AS $$
DECLARE
    match text := map -> value;
BEGIN
    IF match IS NULL AND NOT map ? value THEN -- no match rather than NULL match
        match := map -> '*'; -- use default entry
        IF match IS NULL AND NOT map ? '*' THEN match := '!'; -- no default
        END IF;
    END IF;
    
    -- Interpret result
    IF match = '!' THEN RAISE 'Value not in map: %', value USING ERRCODE = 'data_exception';
    ELSIF match = '*' THEN RETURN value;
    ELSE RETURN match;
    END IF;
END;
$$;


--
-- Name: _map(hstore, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _map(map hstore, value anyelement) RETURNS anyelement
    LANGUAGE plpgsql IMMUTABLE STRICT
    AS $$
DECLARE
    result value%TYPE := util._map(map, value::text)::unknown;
BEGIN
    RETURN result;
END;
$$;


--
-- Name: _max(anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _max("0" anyelement DEFAULT NULL::unknown, "1" anyelement DEFAULT NULL::unknown, "2" anyelement DEFAULT NULL::unknown, "3" anyelement DEFAULT NULL::unknown, "4" anyelement DEFAULT NULL::unknown, "5" anyelement DEFAULT NULL::unknown, "6" anyelement DEFAULT NULL::unknown, "7" anyelement DEFAULT NULL::unknown, "8" anyelement DEFAULT NULL::unknown, "9" anyelement DEFAULT NULL::unknown) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT GREATEST($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
$_$;


--
-- Name: _merge(anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _merge("0" anyelement DEFAULT NULL::unknown, "1" anyelement DEFAULT NULL::unknown, "2" anyelement DEFAULT NULL::unknown, "3" anyelement DEFAULT NULL::unknown, "4" anyelement DEFAULT NULL::unknown, "5" anyelement DEFAULT NULL::unknown, "6" anyelement DEFAULT NULL::unknown, "7" anyelement DEFAULT NULL::unknown, "8" anyelement DEFAULT NULL::unknown, "9" anyelement DEFAULT NULL::unknown) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT util.join_strs(value, '; ')
FROM
(
    SELECT *
    FROM
    (
        SELECT
        DISTINCT ON (value)
        *
        FROM
        (VALUES
              (1, $1)
            , (2, $2)
            , (3, $3)
            , (4, $4)
            , (5, $5)
            , (6, $6)
            , (7, $7)
            , (8, $8)
            , (9, $9)
            , (10, $10)
        )
        AS v (sort_order, value)
        WHERE value IS NOT NULL
    )
    AS v
    ORDER BY sort_order
)
AS v
$_$;


--
-- Name: _merge_prefix(text, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _merge_prefix(prefix text DEFAULT NULL::text, value text DEFAULT NULL::text) RETURNS text
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT _join_words((CASE WHEN $2 ~ ('^'||$1||E'\\y') THEN NULL ELSE $1 END), $2)
$_$;


--
-- Name: _merge_words(anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _merge_words("0" anyelement DEFAULT NULL::unknown, "1" anyelement DEFAULT NULL::unknown, "2" anyelement DEFAULT NULL::unknown, "3" anyelement DEFAULT NULL::unknown, "4" anyelement DEFAULT NULL::unknown, "5" anyelement DEFAULT NULL::unknown, "6" anyelement DEFAULT NULL::unknown, "7" anyelement DEFAULT NULL::unknown, "8" anyelement DEFAULT NULL::unknown, "9" anyelement DEFAULT NULL::unknown) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT util.join_strs(value, ' ')
FROM
(
    SELECT *
    FROM
    (
        SELECT
        DISTINCT ON (value)
        *
        FROM
        (VALUES
              (1, $1)
            , (2, $2)
            , (3, $3)
            , (4, $4)
            , (5, $5)
            , (6, $6)
            , (7, $7)
            , (8, $8)
            , (9, $9)
            , (10, $10)
        )
        AS v (sort_order, value)
        WHERE value IS NOT NULL
    )
    AS v
    ORDER BY sort_order
)
AS v
$_$;


--
-- Name: _min(anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _min("0" anyelement DEFAULT NULL::unknown, "1" anyelement DEFAULT NULL::unknown, "2" anyelement DEFAULT NULL::unknown, "3" anyelement DEFAULT NULL::unknown, "4" anyelement DEFAULT NULL::unknown, "5" anyelement DEFAULT NULL::unknown, "6" anyelement DEFAULT NULL::unknown, "7" anyelement DEFAULT NULL::unknown, "8" anyelement DEFAULT NULL::unknown, "9" anyelement DEFAULT NULL::unknown) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT LEAST($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
$_$;


--
-- Name: _not(boolean); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _not(value boolean) RETURNS boolean
    LANGUAGE sql IMMUTABLE STRICT
    AS $_$
SELECT NOT $1
$_$;


--
-- Name: _now(); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _now() RETURNS timestamp with time zone
    LANGUAGE sql STABLE
    AS $$
SELECT now()
$$;


--
-- Name: _nullIf(anyelement, text, datatype); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION "_nullIf"(value anyelement, "null" text, type datatype DEFAULT 'str'::datatype) RETURNS anyelement
    LANGUAGE plpgsql IMMUTABLE
    AS $$
DECLARE
    type util.datatype NOT NULL := type; -- add NOT NULL
BEGIN
    IF type = 'str' THEN RETURN nullif(value::text, "null");
    -- Invalid value is ignored, but invalid null value generates error
    ELSIF type = 'float' THEN
        DECLARE
            -- Outside the try block so that invalid null value generates error
            "null" double precision := "null"::double precision;
        BEGIN
            RETURN nullif(value::double precision, "null");
        EXCEPTION
            WHEN data_exception THEN RETURN value; -- ignore invalid value
        END;
    END IF;
END;
$$;


--
-- Name: _nullIf(anyelement, text, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION "_nullIf"(value anyelement, "null" text, type text) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT util."_nullIf"($1, $2, $3::util.datatype)
$_$;


--
-- Name: _or(boolean, boolean, boolean, boolean, boolean); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _or("0" boolean DEFAULT NULL::boolean, "1" boolean DEFAULT NULL::boolean, "2" boolean DEFAULT NULL::boolean, "3" boolean DEFAULT NULL::boolean, "4" boolean DEFAULT NULL::boolean) RETURNS boolean
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT bool_or(value)
FROM
(VALUES
      ($1)
    , ($2)
    , ($3)
    , ($4)
    , ($5)
)
AS v (value)
$_$;


--
-- Name: FUNCTION _or("0" boolean, "1" boolean, "2" boolean, "3" boolean, "4" boolean); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION _or("0" boolean, "1" boolean, "2" boolean, "3" boolean, "4" boolean) IS '_or() ignores NULL values, while OR combines them with the other values to potentially convert false to NULL. OR should be used with required fields, and _or() with optional fields.';


--
-- Name: _range(double precision, double precision); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _range("from" double precision DEFAULT NULL::double precision, "to" double precision DEFAULT NULL::double precision) RETURNS double precision
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT $2 - $1
$_$;


--
-- Name: _split(text, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION _split(value text DEFAULT NULL::text, separator text DEFAULT '; '::text) RETURNS SETOF text
    LANGUAGE sql IMMUTABLE STRICT
    AS $_$
SELECT regexp_split_to_table($1, $2)
$_$;


--
-- Name: all_same_final(anyarray); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION all_same_final(state anyarray) RETURNS boolean
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT $1 IS NULL/*no rows*/ OR util.not_empty($1)/*not no_match_sentinel*/
$_$;


--
-- Name: all_same_transform(anyarray, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION all_same_transform(state anyarray, value anyelement) RETURNS anyarray
    LANGUAGE plpgsql IMMUTABLE
    AS $$
DECLARE
	value_cmp         state%TYPE = ARRAY[value];
	state             state%TYPE = COALESCE(state, value_cmp);
	no_match_sentinel state%TYPE = value_cmp[1:0]/*=ARRAY[]::state%TYPE*/;
BEGIN
	RETURN (CASE WHEN value_cmp IS NOT DISTINCT FROM state THEN state ELSE no_match_sentinel END);
END;
$$;


--
-- Name: array_fill(anyelement, integer); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION array_fill(value anyelement, length integer) RETURNS anyarray
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT pg_catalog.array_fill($1, ARRAY[$2])
$_$;


--
-- Name: array_length(anyarray); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION array_length("array" anyarray) RETURNS integer
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT util.array_length($1, 1)
$_$;


--
-- Name: array_length(anyarray, integer); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION array_length("array" anyarray, dimension integer) RETURNS integer
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT CASE WHEN $1 IS NULL THEN NULL ELSE COALESCE(pg_catalog.array_length($1, $2), 0) END
$_$;


--
-- Name: FUNCTION array_length("array" anyarray, dimension integer); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION array_length("array" anyarray, dimension integer) IS 'returns 0 instead of NULL for empty arrays';


--
-- Name: cluster_index(regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION cluster_index(table_ regclass) RETURNS regclass
    LANGUAGE sql STABLE STRICT
    AS $_$
SELECT indexrelid FROM pg_index WHERE indrelid = $1 AND indisclustered
$_$;


--
-- Name: cluster_once(regclass, regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION cluster_once(table_ regclass, index regclass) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $_$
BEGIN
    -- not yet clustered (ARRAY[] compares NULLs literally)
    IF ARRAY[util.cluster_index(table_)] != ARRAY[index] THEN
        EXECUTE $$CLUSTER $$||table_||$$ USING $$||index;
    END IF;
END;
$_$;


--
-- Name: FUNCTION cluster_once(table_ regclass, index regclass); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION cluster_once(table_ regclass, index regclass) IS 'idempotent';


--
-- Name: col_comment(col_ref); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION col_comment(col col_ref) RETURNS text
    LANGUAGE plpgsql STABLE STRICT
    AS $$
DECLARE
	comment text;
BEGIN
	SELECT description
	FROM pg_attribute
	LEFT JOIN pg_description ON objoid = attrelid
		AND classoid = 'pg_class'::regclass AND objsubid = attnum
	WHERE attrelid = col.table_ AND attname = col.name
	INTO STRICT comment
	;
	RETURN comment;
EXCEPTION
	WHEN no_data_found THEN PERFORM util.raise_undefined_column(col);
END;
$$;


--
-- Name: col_default_sql(col_ref); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION col_default_sql(col col_ref) RETURNS text
    LANGUAGE plpgsql STABLE STRICT
    AS $$
DECLARE
	default_sql text;
BEGIN
	SELECT adsrc
	FROM pg_attribute
	LEFT JOIN pg_attrdef ON adrelid = attrelid AND adnum = attnum
	WHERE attrelid = col.table_ AND attname = col.name
	INTO STRICT default_sql
	;
	RETURN default_sql;
EXCEPTION
	WHEN no_data_found THEN PERFORM util.raise_undefined_column(col);
END;
$$;


--
-- Name: col_default_value(col_ref, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION col_default_value(col col_ref, ret_type_null anyelement DEFAULT NULL::text) RETURNS anyelement
    LANGUAGE sql STABLE
    AS $_$
SELECT util.eval_expr_passthru(util.col_default_sql($1), $2)
$_$;


--
-- Name: FUNCTION col_default_value(col col_ref, ret_type_null anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION col_default_value(col col_ref, ret_type_null anyelement) IS 'ret_type_null: NULL::ret_type';


--
-- Name: col_exists(col_ref); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION col_exists(col col_ref) RETURNS boolean
    LANGUAGE plpgsql STRICT
    AS $$
BEGIN
    PERFORM util.col_type(col);
    RETURN true;
EXCEPTION
    WHEN undefined_column THEN RETURN false;
END;
$$;


--
-- Name: col_global_names(regtype); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION col_global_names(type regtype, OUT name text, OUT global_name text) RETURNS SETOF record
    LANGUAGE plpgsql STABLE STRICT
    AS $$
DECLARE
    prefix text := util.name(type)||'.';
BEGIN
    RETURN QUERY
        SELECT name_, (CASE WHEN util.contains(search_for:='.', in_str:=name_) THEN '' ELSE prefix END)||name_
        FROM util.col_names(type) f (name_);
END;
$$;


--
-- Name: col_names(regtype); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION col_names(type regtype) RETURNS SETOF text
    LANGUAGE plpgsql STABLE STRICT
    AS $_$
BEGIN
    RETURN QUERY EXECUTE $$SELECT skeys(hstore(NULL::$$||type||$$))$$;
END;
$_$;


--
-- Name: col_names(regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION col_names(table_ regclass) RETURNS SETOF text
    LANGUAGE sql STABLE STRICT
    AS $_$
SELECT attname::text
FROM pg_attribute
WHERE attrelid = $1 AND attnum >= 1 AND NOT attisdropped
ORDER BY attnum
$_$;


--
-- Name: col_type(col_ref); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION col_type(col col_ref) RETURNS regtype
    LANGUAGE plpgsql STABLE STRICT
    AS $$
DECLARE
    type regtype;
BEGIN
    SELECT atttypid FROM pg_attribute
    WHERE attrelid = col.table_ AND attname = col.name
    INTO STRICT type
    ;
    RETURN type;
EXCEPTION
    WHEN no_data_found THEN
        RAISE undefined_column USING MESSAGE =
            concat('undefined column: ', col.name);
END;
$$;


--
-- Name: contains(text, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION contains(search_for text, in_str text) RETURNS boolean
    LANGUAGE sql IMMUTABLE STRICT
    AS $_$
SELECT position($1 in $2) > 0 /*1-based offset*/
$_$;


--
-- Name: create_if_not_exists(text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION create_if_not_exists(sql text) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $$
BEGIN
    PERFORM util.eval(sql);
EXCEPTION
    WHEN duplicate_table  THEN NULL;
    WHEN duplicate_object THEN NULL; -- e.g. constraint
    WHEN duplicate_column THEN NULL;
    WHEN invalid_table_definition THEN
        IF SQLERRM LIKE 'multiple primary keys for table % are not allowed' THEN NULL;
        ELSE RAISE USING ERRCODE = SQLSTATE, MESSAGE = SQLERRM; -- rethrow
        END IF;
END;
$$;


--
-- Name: FUNCTION create_if_not_exists(sql text); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION create_if_not_exists(sql text) IS 'idempotent';


--
-- Name: do_optionally_ignore(text, boolean); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION do_optionally_ignore(sql text, ignore boolean) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT CASE WHEN $2 THEN util.try_create($1) ELSE util.create_if_not_exists($1) END
$_$;


--
-- Name: FUNCTION do_optionally_ignore(sql text, ignore boolean); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION do_optionally_ignore(sql text, ignore boolean) IS 'idempotent';


--
-- Name: drop_table(text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION drop_table(table_ text) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT util.eval($$DROP TABLE IF EXISTS $$||$1)
$_$;


--
-- Name: FUNCTION drop_table(table_ text); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION drop_table(table_ text) IS 'idempotent';


--
-- Name: empty_array(anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION empty_array(elem_type_null anyelement DEFAULT NULL::text) RETURNS anyarray
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT util.array_fill($1, 0)
$_$;


--
-- Name: FUNCTION empty_array(elem_type_null anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION empty_array(elem_type_null anyelement) IS 'constructs proper empty 1-dimensional array whose dimensions are not NULL ( ''{}''::text[] does not do this)';


--
-- Name: ensure_prefix(text, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION ensure_prefix(prefix text, str text) RETURNS text
    LANGUAGE sql IMMUTABLE STRICT
    AS $_$
SELECT (CASE WHEN util.has_prefix($1, $2) THEN $2 ELSE $1||$2 END)
$_$;


--
-- Name: eval(text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION eval(sql text) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $$
BEGIN
    RAISE NOTICE '%', sql;
    EXECUTE sql;
END;
$$;


--
-- Name: eval2val(text, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION eval2val(sql text, ret_type_null anyelement DEFAULT NULL::text) RETURNS anyelement
    LANGUAGE plpgsql
    AS $$
DECLARE
	ret_val ret_type_null%TYPE;
BEGIN
	RAISE NOTICE '%', sql;
	EXECUTE sql INTO STRICT ret_val;
	RETURN ret_val;
END;
$$;


--
-- Name: FUNCTION eval2val(sql text, ret_type_null anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION eval2val(sql text, ret_type_null anyelement) IS 'ret_type_null: NULL::ret_type';


--
-- Name: eval_expr(text, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION eval_expr(sql text, ret_type_null anyelement DEFAULT NULL::text) RETURNS anyelement
    LANGUAGE sql
    AS $_$
SELECT util.eval2val($$SELECT $$||$1, $2)
$_$;


--
-- Name: FUNCTION eval_expr(sql text, ret_type_null anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION eval_expr(sql text, ret_type_null anyelement) IS 'ret_type_null: NULL::ret_type';


--
-- Name: eval_expr_passthru(text, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION eval_expr_passthru(sql text, ret_type_null anyelement DEFAULT NULL::text) RETURNS anyelement
    LANGUAGE sql
    AS $_$
SELECT CASE WHEN $1 IS NULL THEN NULL ELSE util.eval_expr($1, $2) END
$_$;


--
-- Name: FUNCTION eval_expr_passthru(sql text, ret_type_null anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION eval_expr_passthru(sql text, ret_type_null anyelement) IS 'sql: can be NULL, which will be passed through
ret_type_null: NULL::ret_type';


--
-- Name: existing_cols(regclass, text[]); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION existing_cols(table_ regclass, VARIADIC col_names text[]) RETURNS SETOF text
    LANGUAGE sql STABLE STRICT
    AS $_$
SELECT col_name
FROM unnest($2) s (col_name)
WHERE util.col_exists(($1, col_name))
$_$;


--
-- Name: fix_array(anyarray); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION fix_array("array" anyarray) RETURNS anyarray
    LANGUAGE sql IMMUTABLE
    AS $_$
-- STRICT handles NULLs, so that the array will always be a value
SELECT CASE WHEN $1 IS NULL THEN NULL ELSE (
	CASE WHEN pg_catalog.array_ndims($1) IS NULL THEN util.empty_array($1[1]) ELSE $1 END
) END
$_$;


--
-- Name: FUNCTION fix_array("array" anyarray); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION fix_array("array" anyarray) IS 'ensures that an array will always have proper non-NULL dimensions';


--
-- Name: force_update_view(text, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION force_update_view(view_ text, query text) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $_$
DECLARE
	mk_view text = $$CREATE OR REPLACE VIEW $$||view_||$$ AS
$$||query;
BEGIN
	EXECUTE mk_view;
EXCEPTION
WHEN invalid_table_definition THEN
	IF SQLERRM = 'cannot drop columns from view'
	OR SQLERRM LIKE 'cannot change name of view column "%" to "%"'
	THEN
		EXECUTE $$DROP VIEW $$||view_||$$ CASCADE$$;
		EXECUTE mk_view;
	ELSE RAISE USING ERRCODE = SQLSTATE, MESSAGE = SQLERRM;
	END IF;
END;
$_$;


--
-- Name: FUNCTION force_update_view(view_ text, query text); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION force_update_view(view_ text, query text) IS 'idempotent';


--
-- Name: has_prefix(text, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION has_prefix(prefix text, str text) RETURNS boolean
    LANGUAGE sql IMMUTABLE STRICT
    AS $_$
SELECT substring($2 for length($1)) = $1
$_$;


--
-- Name: hstore(text[], text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION hstore(keys text[], value text) RETURNS hstore
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT hstore(util.fix_array($1), util.array_fill($2, util.array_length($1)))
$_$;


--
-- Name: FUNCTION hstore(keys text[], value text); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION hstore(keys text[], value text) IS 'avoids repeating the same value for each key';


--
-- Name: hstore(anyarray, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION hstore(keys anyarray, value anyelement) RETURNS hstore
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT util.hstore($1::text[], $2)
$_$;


--
-- Name: FUNCTION hstore(keys anyarray, value anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION hstore(keys anyarray, value anyelement) IS 'avoids repeating the same value for each key';


--
-- Name: hstore(text[], anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION hstore(keys text[], value anyelement) RETURNS hstore
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT util.hstore($1, $2::text)
$_$;


--
-- Name: FUNCTION hstore(keys text[], value anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION hstore(keys text[], value anyelement) IS 'avoids repeating the same value for each key';


--
-- Name: is_constant(col_ref); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION is_constant(col col_ref) RETURNS boolean
    LANGUAGE sql STABLE STRICT
    AS $_$
SELECT COALESCE(util.col_comment($1) LIKE 'constant%', false)
$_$;


--
-- Name: join_strs_transform(text, text, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION join_strs_transform(state text, value text, delim text) RETURNS text
    LANGUAGE sql IMMUTABLE STRICT
    AS $_$
SELECT $1 || $3 || $2
$_$;


--
-- Name: map_filter_insert(); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION map_filter_insert() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
BEGIN
	IF new."from" LIKE ':%' THEN RETURN NULL; END IF; -- exclude metadata values
	RETURN new;
END;
$$;


--
-- Name: map_get(regclass, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION map_get(map regclass, key text) RETURNS text
    LANGUAGE plpgsql STABLE STRICT
    AS $_$
DECLARE
    value text;
BEGIN
    EXECUTE $$SELECT "to" FROM $$||map||$$ WHERE "from" = $1$$
        INTO value USING key;
    RETURN value;
END;
$_$;


--
-- Name: map_nulls(anyarray, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION map_nulls(nulls anyarray, value anyelement) RETURNS anyelement
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT util._map(util.hstore($1, NULL) || '*=>*', $2)
$_$;


--
-- Name: map_values(regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION map_values(map regclass) RETURNS SETOF text
    LANGUAGE plpgsql STABLE STRICT
    AS $_$
BEGIN
    RETURN QUERY EXECUTE $$SELECT "to" FROM $$||map;
END;
$_$;


--
-- Name: mk_const_col(col_ref, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION mk_const_col(col col_ref, value anyelement) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT util.create_if_not_exists($$
ALTER TABLE $$||$1.table_||$$ ADD COLUMN $$
||quote_ident($1.name)||$$ $$||pg_typeof($2)||util.type_qual($2)||$$ DEFAULT $$
||quote_literal($2)||$$;
COMMENT ON COLUMN $$||$1.table_||$$.$$||quote_ident($1.name)||$$ IS 'constant';
$$)
$_$;


--
-- Name: FUNCTION mk_const_col(col col_ref, value anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION mk_const_col(col col_ref, value anyelement) IS 'idempotent';


--
-- Name: mk_derived_col(col_ref, text, boolean); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION mk_derived_col(col col_ref, expr text, overwrite boolean DEFAULT false) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $_$
DECLARE
    type regtype = util.typeof(expr, col.table_::text::regtype);
    col_name_sql text = quote_ident(col.name);
BEGIN
    PERFORM util.create_if_not_exists((CASE WHEN overwrite THEN '' ELSE $$
ALTER TABLE $$||col.table_||$$ ADD   COLUMN $$||col_name_sql||$$      $$||type||$$;$$ END)||$$
ALTER TABLE $$||col.table_||$$ ALTER COLUMN $$||col_name_sql||$$ TYPE $$||type||$$ USING
$$||expr||$$;
$$);
END;
$_$;


--
-- Name: FUNCTION mk_derived_col(col col_ref, expr text, overwrite boolean); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION mk_derived_col(col col_ref, expr text, overwrite boolean) IS 'idempotent';


--
-- Name: mk_map_table(text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION mk_map_table(table_ text) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT util.create_if_not_exists($$
CREATE TABLE $$||$1||$$
(
    LIKE util.map INCLUDING ALL
);

CREATE TRIGGER map_filter_insert
  BEFORE INSERT
  ON $$||$1||$$
  FOR EACH ROW
  EXECUTE PROCEDURE util.map_filter_insert();
$$)
$_$;


--
-- Name: mk_source_col(regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION mk_source_col(table_ regclass) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT util.mk_const_col(($1, 'source'), util.table_schema($1))
$_$;


--
-- Name: FUNCTION mk_source_col(table_ regclass); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION mk_source_col(table_ regclass) IS 'idempotent';


--
-- Name: mk_subset_by_row_num_func(regclass, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION mk_subset_by_row_num_func(view_ regclass, row_num_col text) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $_$
BEGIN
	EXECUTE $$
CREATE OR REPLACE FUNCTION $$||view_||$$(limit_ integer DEFAULT NULL::integer, offset_ integer DEFAULT NULL)
  RETURNS SETOF $$||view_||$$ AS
$BODY1$
SELECT * FROM $$||util.type_qual_name(view_::text::regtype)||$$
WHERE $$||quote_ident(row_num_col)||$$ BETWEEN COALESCE($2, 0)+1 AND COALESCE(COALESCE($2, 0)+1 + $1 - 1, 2147483647)
$BODY1$
  LANGUAGE sql STABLE
  COST 100
  ROWS 1000
$$;
-- Also create subset function which turns off enable_sort
	EXECUTE $$
CREATE OR REPLACE FUNCTION $$||view_||$$(no_sort boolean, limit_ integer DEFAULT NULL::integer, offset_ integer DEFAULT NULL)
  RETURNS SETOF $$||view_||$$
  SET enable_sort TO 'off'
  AS
$BODY1$
SELECT * FROM $$||util.type_qual_name(view_::text::regtype)||$$($2, $3)
$BODY1$
  LANGUAGE sql STABLE
  COST 100
  ROWS 1000
;
COMMENT ON FUNCTION $$||view_||$$(no_sort boolean, limit_ integer, offset_ integer) IS '
Use this for limit values greater than ~100,000 to avoid unwanted slow sorts.
If you want to run EXPLAIN and get expanded output, use the regular subset
function instead. (When a config param is set on a function, EXPLAIN produces
just a function scan.)
';
$$;
END;
$_$;


--
-- Name: name(regtype); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION name(type regtype) RETURNS text
    LANGUAGE sql STABLE STRICT
    AS $_$
SELECT typname::text FROM pg_type WHERE oid = $1
$_$;


--
-- Name: not_empty(anyarray); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION not_empty(value anyarray) RETURNS boolean
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT $1 IS NOT NULL AND util.array_length($1) > 0
$_$;


--
-- Name: not_null(anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION not_null(value anyelement) RETURNS boolean
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT $1 IS NOT NULL
$_$;


--
-- Name: raise_undefined_column(col_ref); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION raise_undefined_column(col col_ref) RETURNS text
    LANGUAGE plpgsql IMMUTABLE STRICT
    AS $$
BEGIN
	RAISE undefined_column USING MESSAGE = concat('undefined column: ', col.name);
END;
$$;


--
-- Name: rename_cols(regclass, anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION rename_cols(table_ regclass, renames anyelement) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT util.try_create($$ALTER TABLE $$||$1||$$ RENAME $$
||quote_ident(name)||$$ TO $$||quote_ident($2 -> name))
FROM util.col_names($1::text::regtype) f (name);
SELECT NULL::void; -- don't fold away functions called in previous query
$_$;


--
-- Name: FUNCTION rename_cols(table_ regclass, renames anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION rename_cols(table_ regclass, renames anyelement) IS 'idempotent';


--
-- Name: reset_col_names(regclass, regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION reset_col_names(table_ regclass, names regclass) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT util.mk_derived_col(($2, 'to'), $$"from"$$, overwrite := true);
SELECT util.set_col_names($1, $2);
$_$;


--
-- Name: FUNCTION reset_col_names(table_ regclass, names regclass); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION reset_col_names(table_ regclass, names regclass) IS 'idempotent.
alters the names table, so it will need to be repopulated after running this function.';


--
-- Name: reset_map_table(text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION reset_map_table(table_ text) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT util.drop_table($1);
SELECT util.mk_map_table($1);
$_$;


--
-- Name: search_path_append(text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION search_path_append(schemas text) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT util.eval(
$$SET search_path TO $$||current_setting('search_path')||$$, $$||$1);
$_$;


--
-- Name: set_col_names(regclass, regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION set_col_names(table_ regclass, names regclass) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $_$
DECLARE
    old text[] = ARRAY(SELECT util.col_names(table_));
    new text[] = ARRAY(SELECT util.map_values(names));
BEGIN
    old = old[1:array_length(new, 1)]; -- truncate to same length
    PERFORM util.eval($$ALTER TABLE $$||$1||$$ RENAME $$||quote_ident(key)
||$$ TO $$||quote_ident(value))
    FROM each(hstore(old, new))
    WHERE value != key -- not same name
    ;
END;
$_$;


--
-- Name: FUNCTION set_col_names(table_ regclass, names regclass); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION set_col_names(table_ regclass, names regclass) IS 'idempotent';


--
-- Name: set_col_names_with_metadata(regclass, regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION set_col_names_with_metadata(table_ regclass, names regclass) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $_$
DECLARE
	row_ util.map;
BEGIN
	FOR row_ IN EXECUTE $$SELECT * FROM $$||names||$$ WHERE "from" LIKE ':%'$$
	LOOP
		PERFORM util.mk_const_col((table_, row_."to"),
			substring(row_."from" from 2));
	END LOOP;
	
	PERFORM util.set_col_names(table_, names);
END;
$_$;


--
-- Name: FUNCTION set_col_names_with_metadata(table_ regclass, names regclass); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION set_col_names_with_metadata(table_ regclass, names regclass) IS 'idempotent.
the metadata mappings must be *last* in the names table.';


--
-- Name: set_col_types(regclass, col_cast[]); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION set_col_types(table_ regclass, col_casts col_cast[]) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $_$
DECLARE
    sql text = $$ALTER TABLE $$||table_||$$
$$||NULLIF(array_to_string(ARRAY(
    SELECT
    $$ALTER COLUMN $$||col_name_sql||$$ TYPE $$||target_type
    ||$$ USING $$||col_name_sql||$$::$$||target_type
    FROM
    (
        SELECT
          quote_ident(col_name) AS col_name_sql
        , util.col_type((table_, col_name)) AS curr_type
        , type AS target_type
        FROM unnest(col_casts)
    ) s
    WHERE curr_type != target_type
), '
, '), '');
BEGIN
    RAISE NOTICE '%', sql;
    EXECUTE COALESCE(sql, '');
END;
$_$;


--
-- Name: FUNCTION set_col_types(table_ regclass, col_casts col_cast[]); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION set_col_types(table_ regclass, col_casts col_cast[]) IS 'idempotent';


--
-- Name: table2hstore(regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION table2hstore(table_ regclass) RETURNS hstore
    LANGUAGE plpgsql STABLE STRICT
    AS $_$
DECLARE
    hstore hstore;
BEGIN
    EXECUTE $$SELECT hstore(ARRAY(SELECT unnest(ARRAY["from", "to"]) FROM $$||
        table_||$$))$$ INTO STRICT hstore;
    RETURN hstore;
END;
$_$;


--
-- Name: table_flag__get(regclass, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION table_flag__get(table_ regclass, flag text) RETURNS boolean
    LANGUAGE sql STABLE STRICT
    AS $_$
SELECT COUNT(*) > 0 FROM pg_constraint
WHERE conrelid = $1 AND contype = 'c' AND conname = $2
$_$;


--
-- Name: FUNCTION table_flag__get(table_ regclass, flag text); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION table_flag__get(table_ regclass, flag text) IS 'gets whether a status flag is set by the presence of a table constraint';


--
-- Name: table_flag__set(regclass, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION table_flag__set(table_ regclass, flag text) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT util.create_if_not_exists($$ALTER TABLE $$||$1||$$ ADD CONSTRAINT $$
||quote_ident($2)||$$ CHECK (true)$$)
$_$;


--
-- Name: FUNCTION table_flag__set(table_ regclass, flag text); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION table_flag__set(table_ regclass, flag text) IS 'stores a status flag by the presence of a table constraint.
idempotent.';


--
-- Name: table_nulls_mapped__get(regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION table_nulls_mapped__get(table_ regclass) RETURNS boolean
    LANGUAGE sql STABLE STRICT
    AS $_$
SELECT util.table_flag__get($1, 'nulls_mapped')
$_$;


--
-- Name: FUNCTION table_nulls_mapped__get(table_ regclass); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION table_nulls_mapped__get(table_ regclass) IS 'gets whether a table''s NULL-equivalent strings have been replaced with NULL';


--
-- Name: table_nulls_mapped__set(regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION table_nulls_mapped__set(table_ regclass) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT util.table_flag__set($1, 'nulls_mapped')
$_$;


--
-- Name: FUNCTION table_nulls_mapped__set(table_ regclass); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION table_nulls_mapped__set(table_ regclass) IS 'sets that a table''s NULL-equivalent strings have been replaced with NULL.
idempotent.';


--
-- Name: table_schema(regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION table_schema(table_ regclass) RETURNS text
    LANGUAGE sql STABLE STRICT
    AS $_$
SELECT nspname::text FROM pg_namespace WHERE oid = (SELECT relnamespace FROM pg_class WHERE oid = $1)
$_$;


--
-- Name: to_global_col_names(regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION to_global_col_names(table_ regclass) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $_$
DECLARE
    row record;
BEGIN
    FOR row IN SELECT * FROM util.col_global_names(table_::text::regtype)
    LOOP
        IF row.global_name != row.name THEN
            EXECUTE $$ALTER TABLE $$||table_||$$ RENAME $$
                ||quote_ident(row.name)||$$ TO $$||quote_ident(row.global_name);
        END IF;
    END LOOP;
END;
$_$;


--
-- Name: FUNCTION to_global_col_names(table_ regclass); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION to_global_col_names(table_ regclass) IS 'idempotent';


--
-- Name: truncate(regclass); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION truncate(table_ regclass) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $_$
BEGIN
    EXECUTE $$TRUNCATE $$||table_||$$ CASCADE$$;
END;
$_$;


--
-- Name: FUNCTION truncate(table_ regclass); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION truncate(table_ regclass) IS 'idempotent';


--
-- Name: try_create(text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION try_create(sql text) RETURNS void
    LANGUAGE plpgsql STRICT
    AS $$
BEGIN
    PERFORM util.eval(sql);
EXCEPTION
    WHEN wrong_object_type THEN NULL; -- trying to alter a view's columns
    WHEN undefined_column THEN NULL;
    WHEN duplicate_column THEN NULL;
END;
$$;


--
-- Name: FUNCTION try_create(sql text); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION try_create(sql text) IS 'idempotent';


--
-- Name: try_mk_derived_col(col_ref, text); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION try_mk_derived_col(col col_ref, expr text) RETURNS void
    LANGUAGE sql STRICT
    AS $_$
SELECT util.try_create($$SELECT util.mk_derived_col($$||quote_literal($1)||$$, $$||quote_literal($2)||$$)$$)
$_$;


--
-- Name: FUNCTION try_mk_derived_col(col col_ref, expr text); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION try_mk_derived_col(col col_ref, expr text) IS 'idempotent';


--
-- Name: type_qual(anyelement); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION type_qual(value anyelement) RETURNS text
    LANGUAGE sql IMMUTABLE
    AS $_$
SELECT CASE WHEN $1 IS NULL THEN '' ELSE $$ NOT NULL$$ END
$_$;


--
-- Name: FUNCTION type_qual(value anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION type_qual(value anyelement) IS 'a type''s NOT NULL qualifier';


--
-- Name: type_qual_name(regtype); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION type_qual_name(type regtype) RETURNS text
    LANGUAGE sql STABLE STRICT
    SET search_path TO pg_temp
    AS $_$
SELECT $1::text
$_$;


--
-- Name: FUNCTION type_qual_name(type regtype); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON FUNCTION type_qual_name(type regtype) IS 'a type''s schema-qualified name';


--
-- Name: typeof(text, regtype); Type: FUNCTION; Schema: util; Owner: -
--

CREATE FUNCTION typeof(expr text, table_ regtype DEFAULT NULL::regtype) RETURNS regtype
    LANGUAGE plpgsql STABLE
    AS $_$
DECLARE
    type regtype;
BEGIN
    EXECUTE $$SELECT pg_typeof($$||expr||$$)$$||
COALESCE($$ FROM (SELECT (NULL::$$||table_||$$).*) _s$$, '') INTO STRICT type;
    RETURN type;
END;
$_$;


--
-- Name: all_same(anyelement); Type: AGGREGATE; Schema: util; Owner: -
--

CREATE AGGREGATE all_same(anyelement) (
    SFUNC = all_same_transform,
    STYPE = anyarray,
    FINALFUNC = all_same_final
);


--
-- Name: AGGREGATE all_same(anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON AGGREGATE all_same(anyelement) IS 'includes NULLs in comparison';


--
-- Name: join_strs(text, text); Type: AGGREGATE; Schema: util; Owner: -
--

CREATE AGGREGATE join_strs(text, text) (
    SFUNC = join_strs_transform,
    STYPE = text
);


--
-- Name: ->; Type: OPERATOR; Schema: util; Owner: -
--

CREATE OPERATOR -> (
    PROCEDURE = map_get,
    LEFTARG = regclass,
    RIGHTARG = text
);


--
-- Name: =>; Type: OPERATOR; Schema: util; Owner: -
--

CREATE OPERATOR => (
    PROCEDURE = hstore,
    LEFTARG = anyarray,
    RIGHTARG = anyelement
);


--
-- Name: OPERATOR => (anyarray, anyelement); Type: COMMENT; Schema: util; Owner: -
--

COMMENT ON OPERATOR => (anyarray, anyelement) IS 'usage: array[''key1'', ...]::text[] => ''value''';


SET default_tablespace = '';

SET default_with_oids = false;

--
-- Name: map; Type: TABLE; Schema: util; Owner: -; Tablespace: 
--

CREATE TABLE map (
    "from" text NOT NULL,
    "to" text,
    filter text,
    notes text
);


--
-- Data for Name: map; Type: TABLE DATA; Schema: util; Owner: -
--



--
-- Name: map__unique__from; Type: CONSTRAINT; Schema: util; Owner: -; Tablespace: 
--

ALTER TABLE ONLY map
    ADD CONSTRAINT map__unique__from UNIQUE ("from");


--
-- Name: map__unique__to; Type: CONSTRAINT; Schema: util; Owner: -; Tablespace: 
--

ALTER TABLE ONLY map
    ADD CONSTRAINT map__unique__to UNIQUE ("to");


--
-- Name: map_filter_insert; Type: TRIGGER; Schema: util; Owner: -
--

CREATE TRIGGER map_filter_insert BEFORE INSERT ON map FOR EACH ROW EXECUTE PROCEDURE map_filter_insert();


--
-- PostgreSQL database dump complete
--