--

-- PostgreSQL database dump

--

SET statement_timeout = 0;

SET client_min_messages = warning;

--

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

';

CREATE TYPE col_cast AS (

	col_name text,

	type regtype

);

--

CREATE TYPE col_ref AS (

	table_ regclass,

	name text

);

--

CREATE TYPE compass_dir AS ENUM (

    'N',

    'E',

    'S',

    'W'

);

--

CREATE TYPE datatype AS ENUM (

    'str',

    'float'

);

--

    AS $_$

--

    AS $_$

SELECT bool_and(value)

FROM

(VALUES

      ($1)

    , ($2)

    , ($4)

    , ($5)

AS v (value)

$_$;

--

_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.

';

--

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)

$_$;

--

CREATE FUNCTION _dms_to_dd(value text DEFAULT NULL::text) RETURNS double precision

    LANGUAGE sql IMMUTABLE STRICT

    AS $_$

(

    SELECT regexp_matches($1, '^ *(-?)(\d{1,3}(?:\.\d*)?)(?:(?:deg|[°º])(?: *([\d.]+)(?:min|[''’]))?(?: *([\d.]+)(?:sec|["”]))?)? *([NESW])? *$')

    UNION ALL

    FROM regexp_matches($1, '^ *(-?)(\d{2,3})(\d{2})(\d{3}) *([NESW])? *$') matches (g) -- [D]DDMMmmm, where MMmmm = MM.mmm

matches (g)

--

    AS $_$

(VALUES

    , ($3/60/60)

)

AS v (value)

$_$;

--

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 $_$

--

CREATE FUNCTION _eq("left" anyelement DEFAULT NULL::unknown, "right" anyelement DEFAULT NULL::unknown) RETURNS boolean

    LANGUAGE sql IMMUTABLE

    AS $_$

SELECT $1 = $2

$_$;

--

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)

$_$;

--

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)

$_$;

--

CREATE FUNCTION _if(cond text DEFAULT NULL::text, "then" anyelement DEFAULT NULL::unknown, "else" anyelement DEFAULT NULL::unknown) RETURNS anyelement

    LANGUAGE sql IMMUTABLE

    AS $_$

--

    AS $_$

--

    AS $_$

--

    AS $_$

SELECT coalesce($1 || ': ', '') || $2

$_$;

--

--

CREATE FUNCTION _lowercase(value text) RETURNS text

SELECT lower($1)

$_$;

--

--

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;

$$;

--

CREATE FUNCTION _map(map hstore, value text) RETURNS text

DECLARE

        match := map -> '*'; -- use default entry

        IF match IS NULL AND NOT map ? '*' THEN match := '!'; -- no default

        END IF;

    END IF;

    -- Interpret result

    ELSIF match = '*' THEN RETURN value;

    ELSE RETURN match;

END;

$$;

--

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 $_$

--

    AS $_$

(

    SELECT *

    FROM

    (

        SELECT

        DISTINCT ON (value)

        *

        FROM

        (VALUES

            , (2, $2)

            , (3, $3)

            , (4, $4)

            , (5, $5)

            , (6, $6)

            , (7, $7)

            , (8, $8)

            , (9, $9)

            , (10, $10)

        AS v (sort_order, value)

    AS v

    ORDER BY sort_order

)

AS v

$_$;

--

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)

$_$;

--

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 *

    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

$_$;

--

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 $_$

--

CREATE FUNCTION _not(value boolean) RETURNS boolean

SELECT NOT $1

$_$;

--

CREATE FUNCTION _now() RETURNS timestamp with time zone

    LANGUAGE sql STABLE

    AS $$

SELECT now()

$$;

--

--

CREATE FUNCTION "_nullIf"(value anyelement, "null" text, type text) RETURNS anyelement

    LANGUAGE sql IMMUTABLE

    AS $_$

SELECT util."_nullIf"($1, $2, $3::util.datatype)

$_$;

--

    AS $$

DECLARE

            -- Outside the try block so that invalid null value generates error

END;

$$;

--

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)

$_$;

--

_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.

';

--

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

$_$;

--

CREATE FUNCTION _split(value text DEFAULT NULL::text, separator text DEFAULT '; '::text) RETURNS SETOF text

SELECT regexp_split_to_table($1, $2)

$_$;

--

--

CREATE FUNCTION added_cols(table_ regclass, names regclass) RETURNS SETOF text

    LANGUAGE sql STABLE STRICT

    AS $_$

SELECT util.derived_cols($1, $2)

UNION

SELECT util.eval2set($$

SELECT col

FROM util.col_names($$||quote_nullable($1)||$$::regclass) f (col)

JOIN $$||$2||$$ ON "to" = col

WHERE "from" LIKE ':%'

$$, NULL::text)

$_$;

--

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

--

gets table_''s added columns (all the columns not in the original data)

';

--

--

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;

$$;

--

--

CREATE FUNCTION array_fill(value anyelement, length integer) RETURNS anyarray

    LANGUAGE sql IMMUTABLE

    AS $_$

SELECT pg_catalog.array_fill($1, ARRAY[$2])

$_$;

--

--

CREATE FUNCTION array_length("array" anyarray) RETURNS integer

--

--

CREATE FUNCTION array_length("array" anyarray, dimension integer) RETURNS integer

--

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

--

returns 0 instead of NULL for empty arrays

';

--

CREATE FUNCTION cluster_index(table_ regclass) RETURNS regclass

    LANGUAGE sql STABLE STRICT

    AS $_$

SELECT indexrelid FROM pg_index WHERE indrelid = $1 AND indisclustered

$_$;

--

CREATE FUNCTION cluster_once(table_ regclass, index regclass) RETURNS void

    LANGUAGE plpgsql STRICT

    AS $_$

BEGIN

    -- not yet clustered (ARRAY[] compares NULLs literally)

    END IF;

END;

$_$;