index: release v1.18 with only altgr index linked

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

diff --git a/tools/word.pg.sql b/tools/word.pg.sql
index 821814d1f18a828d983a479a137e9ef32173f905..9f972dc01041c2a867f9c5b3a6a47d9769edc237 100644 (file)
--- a/tools/word.pg.sql
+++ b/tools/word.pg.sql
@@ -4,7 +4,7 @@ CREATE TABLE login (
        email      text,
        fullname   text,
        editlang   text[],
-       id         serial      NOT NULL PRIMARY KEY
+       id         integer     NOT NULL PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY
 );
 
 CREATE TABLE word (
@@ -24,7 +24,7 @@ CREATE TABLE word (
        creator    integer              REFERENCES login (id),
        created    timestamptz          DEFAULT now(),
        updated    timestamptz,
-       id         serial      NOT NULL PRIMARY KEY
+       id         integer     NOT NULL PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY
 );
 
 COMMENT ON COLUMN word.form       IS 'preferred textual representation';
@@ -49,19 +49,11 @@ CREATE TABLE kind (
        creator    integer              REFERENCES login (id),
        created    timestamptz          DEFAULT now(),
        updated    timestamptz,
-       id         serial      NOT NULL PRIMARY KEY
+       id         integer     NOT NULL PRIMARY KEY GENERATED BY DEFAULT AS IDENTITY
 );
 
 COMMENT ON COLUMN kind.truth      IS 'link validity ranging from 0 (never) to 100 (always)';
 
-CREATE OR REPLACE FUNCTION exportform(word) RETURNS text AS $$
-       SELECT concat(
-               coalesce($1.ref, $1.id), ':',
-               $1.prio, CASE WHEN $1.cover THEN 'c' ELSE '' END, ':',
-               array_to_string($1.form || $1.alt, '/')
-       );
-$$ LANGUAGE SQL IMMUTABLE;
-
 CREATE OR REPLACE VIEW _word_ref AS
        SELECT
                r.form, r.alt, r.lang,
@@ -74,13 +66,31 @@ CREATE OR REPLACE VIEW _word_ref AS
                coalesce(r.wptitle, w.wptitle) wptitle,
                coalesce(r.story,   w.story  ) story,
                r.creator, r.created, r.updated,
-               CASE WHEN r.image IS NULL THEN w.id ELSE r.id END id -- image id
+               CASE WHEN nullif(r.image, '{}') IS NOT NULL THEN r.id
+                    WHEN nullif(w.image, '{}') IS NOT NULL THEN w.id END id -- image id
        FROM word r
        LEFT JOIN word w ON w.id = r.ref;
 
-CREATE OR REPLACE VIEW _cat_words AS
-       SELECT exportform(word.*) form, sub.*, word.lang, word.ref
-       FROM word RIGHT JOIN (
-               SELECT cat id, array_agg(exportform(word.*) ORDER BY grade, form) forms
-                       FROM word WHERE ref IS NULL GROUP BY cat
-       ) sub USING (id);
+CREATE OR REPLACE VIEW _word_tree AS
+       WITH RECURSIVE r AS (
+               SELECT w.ref, w.lang, w.cat, w.grade, w.form, NULL::int trans
+               FROM _word_ref w
+       UNION ALL
+               SELECT r.ref, r.lang, w.cat,
+                       CASE WHEN w.lang=r.lang OR t.lang=r.lang THEN r.grade ELSE w.grade END,
+                       CASE WHEN w.lang=r.lang OR t.lang=r.lang THEN r.form ELSE w.form END,
+                       CASE WHEN w.lang=r.lang OR t.lang=r.lang THEN w.id END
+               FROM r JOIN word w ON w.id = r.cat
+                 LEFT JOIN word t ON w.id = t.ref AND t.lang = r.lang
+               WHERE r.trans IS NULL
+       )
+       SELECT ref, lang, trans cat, grade, form FROM r WHERE trans IS NOT NULL
+               ORDER BY cat, grade, form, ref;
+
+CREATE OR REPLACE VIEW _word AS
+       SELECT
+               (SELECT array_agg(coalesce(ref, id)) FROM _word_tree
+                       WHERE cat = w.ref AND lang = w.lang) sub,
+               w.*
+       FROM _word_ref w
+       ;