--
-- PostgreSQL database dump
--

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

--
-- Name: py_functions; Type: SCHEMA; Schema: -; Owner: bien
--

CREATE SCHEMA py_functions;


ALTER SCHEMA py_functions OWNER TO bien;

SET search_path = py_functions, pg_catalog;

--
-- Name: _dateRangeEnd(); Type: FUNCTION; Schema: py_functions; Owner: bien
--

CREATE FUNCTION "_dateRangeEnd"() RETURNS trigger
    LANGUAGE plpgsql IMMUTABLE
    AS $$
BEGIN
    new.result := (SELECT (py_functions.parse_date_range(new.value))[2]);
    RETURN new;
END;
$$;


ALTER FUNCTION py_functions."_dateRangeEnd"() OWNER TO bien;

--
-- Name: _dateRangeStart(); Type: FUNCTION; Schema: py_functions; Owner: bien
--

CREATE FUNCTION "_dateRangeStart"() RETURNS trigger
    LANGUAGE plpgsql IMMUTABLE
    AS $$
BEGIN
    new.result := (SELECT (py_functions.parse_date_range(new.value))[1]);
    RETURN new;
END;
$$;


ALTER FUNCTION py_functions."_dateRangeStart"() OWNER TO bien;

--
-- Name: _namePart(); Type: FUNCTION; Schema: py_functions; Owner: bien
--

CREATE FUNCTION "_namePart"() RETURNS trigger
    LANGUAGE plpythonu IMMUTABLE
    AS $$
new = TD['new']

_name_parts_slices_items = [
    ('first', slice(None, 1)),
    ('middle', slice(1, -1)),
    ('last', slice(-1, None)),
]
name_parts_slices = dict(_name_parts_slices_items)
name_parts = [name for name, slice_ in _name_parts_slices_items]

def _name(items):
    items = dict(items)
    parts = []
    for part in name_parts:
        if part in items: parts.append(items[part])
    return ' '.join(parts)

out_items = []
for part, value in new.iteritems():
    if value == None: continue
    
    try: slice_ = name_parts_slices[part]
    except KeyError: pass # a non-value column
    else: out_items.append((part, ' '.join(value.split(' ')[slice_])))

new['result'] = _name(out_items)

return 'MODIFY'
$$;


ALTER FUNCTION py_functions."_namePart"() OWNER TO bien;

--
-- Name: parse_date_range(text); Type: FUNCTION; Schema: py_functions; Owner: bien
--

CREATE FUNCTION parse_date_range(str_ text) RETURNS text[]
    LANGUAGE plpythonu IMMUTABLE STRICT
    AS $$
import re

def single_space(str_): return re.sub(r' {2,}', r' ', str_.strip())

def could_be_year(str_): return str_.isdigit() and len(str_) == 4

def could_be_day(str_): return str_.isdigit() and len(str_) <= 2

range_sep='-'
part_sep=' '

default = (str_, None)
# range_sep might be used as date part separator instead
if str_.find(part_sep) < 0: return default

start, sep, end = str_.partition(range_sep)
if sep == '': return default # not a range
start, end = (single_space(d).split(part_sep) for d in (start, end))

# Has form M D1-D2 or M D1-D2 Y (not M1 Y1-M2 Y2 or M1 D1-M2 D2)
if len(start) == 2 and (len(end) == 1 or (
        len(end) == 2 and could_be_day(start[-1]) and could_be_day(end[0])
        and could_be_year(end[-1])
    )):
    end.insert(0, start[0]) # make end fully specified
ct_diff = len(end) - len(start)
# Has form D1-D2 M Y, M1 D1-M2 D2 Y, M1-M2 Y, etc.
if ct_diff > 0: start += end[-ct_diff:] # make start fully specified
# Other forms are invalid and will be left as-is

return [part_sep.join(d) for d in (start, end)]
$$;


ALTER FUNCTION py_functions.parse_date_range(str_ text) OWNER TO bien;

SET default_tablespace = '';

SET default_with_oids = false;

--
-- Name: _dateRangeEnd; Type: TABLE; Schema: py_functions; Owner: bien; Tablespace: 
--

CREATE TABLE "_dateRangeEnd" (
    result text,
    not_null_col boolean DEFAULT true NOT NULL,
    value text
);


ALTER TABLE py_functions."_dateRangeEnd" OWNER TO bien;

--
-- Name: _dateRangeStart; Type: TABLE; Schema: py_functions; Owner: bien; Tablespace: 
--

CREATE TABLE "_dateRangeStart" (
    result text,
    not_null_col boolean DEFAULT true NOT NULL,
    value text
);


ALTER TABLE py_functions."_dateRangeStart" OWNER TO bien;

--
-- Name: _namePart; Type: TABLE; Schema: py_functions; Owner: bien; Tablespace: 
--

CREATE TABLE "_namePart" (
    result text,
    not_null_col boolean DEFAULT true NOT NULL,
    first text,
    middle text,
    last text
);


ALTER TABLE py_functions."_namePart" OWNER TO bien;

--
-- Name: _dateRangeEnd_unique; Type: INDEX; Schema: py_functions; Owner: bien; Tablespace: 
--

CREATE UNIQUE INDEX "_dateRangeEnd_unique" ON "_dateRangeEnd" USING btree ((COALESCE(value, '\\N'::text)));


--
-- Name: _dateRangeStart_unique; Type: INDEX; Schema: py_functions; Owner: bien; Tablespace: 
--

CREATE UNIQUE INDEX "_dateRangeStart_unique" ON "_dateRangeStart" USING btree ((COALESCE(value, '\\N'::text)));


--
-- Name: _namePart_first; Type: INDEX; Schema: py_functions; Owner: bien; Tablespace: 
--

CREATE INDEX "_namePart_first" ON "_namePart" USING btree ((COALESCE(first, '\\N'::text)));


--
-- Name: _namePart_last; Type: INDEX; Schema: py_functions; Owner: bien; Tablespace: 
--

CREATE INDEX "_namePart_last" ON "_namePart" USING btree ((COALESCE(last, '\\N'::text)));


--
-- Name: _namePart_middle; Type: INDEX; Schema: py_functions; Owner: bien; Tablespace: 
--

CREATE INDEX "_namePart_middle" ON "_namePart" USING btree ((COALESCE(middle, '\\N'::text)));


--
-- Name: _namePart_unique; Type: INDEX; Schema: py_functions; Owner: bien; Tablespace: 
--

CREATE UNIQUE INDEX "_namePart_unique" ON "_namePart" USING btree ((COALESCE(first, '\\N'::text)), (COALESCE(middle, '\\N'::text)), (COALESCE(last, '\\N'::text)));


--
-- Name: _dateRangeEnd; Type: TRIGGER; Schema: py_functions; Owner: bien
--

CREATE TRIGGER "_dateRangeEnd" BEFORE INSERT OR UPDATE ON "_dateRangeEnd" FOR EACH ROW EXECUTE PROCEDURE "_dateRangeEnd"();


--
-- Name: _dateRangeStart; Type: TRIGGER; Schema: py_functions; Owner: bien
--

CREATE TRIGGER "_dateRangeStart" BEFORE INSERT OR UPDATE ON "_dateRangeStart" FOR EACH ROW EXECUTE PROCEDURE "_dateRangeStart"();


--
-- Name: _namePart; Type: TRIGGER; Schema: py_functions; Owner: bien
--

CREATE TRIGGER "_namePart" BEFORE INSERT OR UPDATE ON "_namePart" FOR EACH ROW EXECUTE PROCEDURE "_namePart"();


--
-- PostgreSQL database dump complete
--