word: select mkwordlist forms from _cat_words view

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

diff --git a/tools/word.pg.sql b/tools/word.pg.sql
index 3c4f264b48c27350bcca962a882843b6477a8240..da22b55311246348d8832e07542511b9aa3815d0 100644 (file)
--- a/tools/word.pg.sql
+++ b/tools/word.pg.sql
@@ -3,6 +3,7 @@ CREATE TABLE word (
        lang       text        NOT NULL DEFAULT 'eng',
        cat        integer              REFERENCES word (id),
        ref        integer              REFERENCES word (id),
+       prio       smallint    NOT NULL DEFAULT '1',
        source     text,
        thumb      text[],
        wptitle    text,
@@ -14,6 +15,13 @@ COMMENT ON COLUMN word.form       IS 'preferred textual representation';
 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';
+COMMENT ON COLUMN word.prio       IS 'difficulty level or importance; lower values have precedence';
 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 VIEW _cat_words AS
+       SELECT * FROM word RIGHT JOIN (
+               SELECT cat id, array_agg(form ORDER BY form) forms
+                       FROM word WHERE ref IS NULL GROUP BY cat
+       ) sub USING (id);