31 lines
1.1 KiB
PL/PgSQL
31 lines
1.1 KiB
PL/PgSQL
BEGIN;
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CREATE TABLE translations (
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-- name type constraints
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id BIGSERIAL PRIMARY KEY,
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word_id BIGINT NOT NULL REFERENCES words (id),
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index BIGINT NOT NULL,
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-- CONSTRAINT name CHECK (condition)
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CONSTRAINT index_is_not_negative CHECK (index >= 0)
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);
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CREATE TABLE translation_texts (
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-- name type constraints
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id BIGSERIAL PRIMARY KEY,
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translation_id BIGINT NOT NULL REFERENCES translations (id),
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lang_id BIGINT NOT NULL REFERENCES languages (id),
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value TEXT NOT NULL,
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commentary TEXT,
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-- CONSTRAINT name CHECK (condition)
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CONSTRAINT value_is_sane_text CHECK (is_sane_text(value)),
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CONSTRAINT commentary_is_sane_text CHECK (commentary IS NULL OR
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is_sane_text(commentary))
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);
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CREATE UNIQUE INDEX translations_word_index ON translations (word_id, index);
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CREATE UNIQUE INDEX translation_texts_translation_lang
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ON translation_texts (translation_id, lang_id);
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COMMIT;
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