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56 lines
1.4 KiB
Plaintext
56 lines
1.4 KiB
Plaintext
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CREATE TABLE costs(iLang, cFrom, cTo, Cost);
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INSERT INTO costs VALUES(0, '', '?', 100);
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INSERT INTO costs VALUES(0, '?', '', 100);
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INSERT INTO costs VALUES(0, '?', '?', 150);
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CREATE TABLE vocab(w TEXT UNIQUE);
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INSERT OR IGNORE INTO vocab SELECT term FROM t1aux;
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CREATE VIRTUAL TABLE t2 USING approximate_match(
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vocabulary_table=t1aux,
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vocabulary_word=term,
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edit_distances=costs
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);
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CREATE VIRTUAL TABLE t3 USING approximate_match(
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vocabulary_table=vocab,
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vocabulary_word=w,
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edit_distances=costs
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);
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CREATE VIRTUAL TABLE t4 USING approximate_match(
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vocabulary_table=vtemp,
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vocabulary_word=w,
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edit_distances=costs
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);
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SELECT word, distance FROM t2
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WHERE word MATCH 'josxph' AND distance<300;
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SELECT word, distance FROM t3
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WHERE word MATCH 'josxph' AND distance<300;
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CREATE TEMP TABLE vtemp(w TEXT UNIQUE);
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INSERT OR IGNORE INTO vtemp SELECT term FROM t1aux;
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SELECT word, distance FROM t4
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WHERE word MATCH 'josxph' AND distance<300;
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SELECT word, distance FROM t2
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WHERE word MATCH 'joxxph' AND distance<=300;
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SELECT word, distance FROM t3
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WHERE word MATCH 'joxxph' AND distance<=300;
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SELECT word, distance FROM t2
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WHERE word MATCH 'joxxph' AND distance<300;
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SELECT word, distance FROM t3
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WHERE word MATCH 'joxxph' AND distance<300;
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