word: form synonyms from alt column

[sheet.git] / tools / word.pg.sql

diff --git a/tools/word.pg.sql b/tools/word.pg.sql
index da22b55311246348d8832e07542511b9aa3815d0..c1aa3c811322177975a86648ede30fee404b3ccf 100644 (file)
--- a/tools/word.pg.sql
+++ b/tools/word.pg.sql
@@ -1,5 +1,6 @@
 CREATE TABLE word (
        form       text        NOT NULL,
+       alt        text[],
        lang       text        NOT NULL DEFAULT 'eng',
        cat        integer              REFERENCES word (id),
        ref        integer              REFERENCES word (id),
@@ -12,6 +13,7 @@ CREATE TABLE word (
 );
 
 COMMENT ON COLUMN word.form       IS 'preferred textual representation';
+COMMENT ON COLUMN word.alt        IS 'alternate forms with equivalent meaning';
 COMMENT ON COLUMN word.lang       IS 'ISO 639-3 language code';
 COMMENT ON COLUMN word.cat        IS 'hierarchical classification';
 COMMENT ON COLUMN word.ref        IS 'reference to equivalent eng translation';
@@ -20,8 +22,13 @@ COMMENT ON COLUMN word.source     IS 'URI of downloaded image';
 COMMENT ON COLUMN word.thumb      IS 'ImageMagick convert options to create thumbnail from source image';
 COMMENT ON COLUMN word.wptitle    IS 'reference Wikipedia article';
 
+CREATE OR REPLACE FUNCTION exportform(word) RETURNS text AS $$
+       SELECT array_to_string($1.form || $1.alt, '/');
+$$ LANGUAGE SQL IMMUTABLE;
+
 CREATE OR REPLACE VIEW _cat_words AS
-       SELECT * FROM word RIGHT JOIN (
-               SELECT cat id, array_agg(form ORDER BY form) forms
+       SELECT exportform(word.*) form, sub.*, word.lang, word.ref
+       FROM word RIGHT JOIN (
+               SELECT cat id, array_agg(exportform(word.*) ORDER BY form) forms
                        FROM word WHERE ref IS NULL GROUP BY cat
        ) sub USING (id);