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 3c05c3865b6405ca4d00330d826053b67a65df18..9f972dc01041c2a867f9c5b3a6a47d9769edc237 100644 (file)
--- a/tools/word.pg.sql
+++ b/tools/word.pg.sql
@@ -4,53 +4,93 @@ 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 (
-       form       text        NOT NULL,
+       form       text,
        alt        text[],
-       lang       text        NOT NULL DEFAULT 'en',
+       lang       text                 DEFAULT 'en',
        cat        integer              REFERENCES word (id),
        ref        integer              REFERENCES word (id),
        prio       smallint             DEFAULT '1'
                                        CHECK (prio >= 0 OR ref IS NOT NULL),
        grade      integer,
        cover      boolean     NOT NULL DEFAULT FALSE,
-       source     text,
-       thumb      text[],
+       image      jsonb                CHECK (image->>'source' ~ '^https?://'
+                                          AND jsonb_typeof(image->'convert') = 'array'),
        wptitle    text,
-       created    timestamptz          DEFAULT now(),
+       story      text,
        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';
 COMMENT ON COLUMN word.alt        IS 'alternate forms with equivalent meaning';
 COMMENT ON COLUMN word.lang       IS 'ISO 639 language code matching wikipedia subdomain';
-COMMENT ON COLUMN word.cat        IS 'hierarchical classification';
+COMMENT ON COLUMN word.cat        IS 'primary hierarchical classification';
 COMMENT ON COLUMN word.ref        IS 'reference to equivalent en translation';
 COMMENT ON COLUMN word.prio       IS 'difficulty level or importance; lower values have precedence';
 COMMENT ON COLUMN word.grade      IS 'ascending hierarchical order, preceding default alphabetical';
 COMMENT ON COLUMN word.cover      IS 'highlight if selected';
-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.image      IS 'metadata of illustrations, including downloaded URI and ImageMagick convert options';
 COMMENT ON COLUMN word.wptitle    IS 'reference Wikipedia article';
+COMMENT ON COLUMN word.story      IS 'paragraph defining or describing the entity, wikipedia intro';
 COMMENT ON COLUMN word.updated    IS 'last significant change';
 COMMENT ON COLUMN word.creator    IS 'user responsible for initial submit';
 
-CREATE OR REPLACE FUNCTION exportform(word) RETURNS text AS $$
-       SELECT concat(
-               $1.id, ':',
-               $1.prio, CASE WHEN $1.cover THEN 'c' ELSE '' END, ':',
-               array_to_string($1.form || $1.alt, '/')
-       );
-$$ LANGUAGE SQL IMMUTABLE;
+CREATE TABLE kind (
+       word       integer     NOT NULL REFERENCES word (id),
+       cat        integer     NOT NULL REFERENCES word (id),
+                                       UNIQUE (word, cat),
+       truth      smallint    NOT NULL DEFAULT '50',
+       creator    integer              REFERENCES login (id),
+       created    timestamptz          DEFAULT now(),
+       updated    timestamptz,
+       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 VIEW _word_ref AS
+       SELECT
+               r.form, r.alt, r.lang,
+               coalesce(r.cat,     w.cat    ) cat, --TODO translate w?
+               coalesce(r.ref,     r.id     ) "ref",
+               coalesce(r.prio,    w.prio   ) prio,
+               coalesce(r.grade,   w.grade  ) grade,
+               coalesce(r.cover,   w.cover  ) cover,
+               coalesce(r.image,   w.image  ) image,
+               coalesce(r.wptitle, w.wptitle) wptitle,
+               coalesce(r.story,   w.story  ) story,
+               r.creator, r.created, r.updated,
+               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 _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 _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 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
+       ;