26 lines
723 B
MySQL
26 lines
723 B
MySQL
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BEGIN;
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CREATE TABLE words (
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id BIGSERIAL PRIMARY KEY,
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language_id BIGINT NOT NULL REFERENCES languages (id),
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primary_form VARCHAR NOT NULL,
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CONSTRAINT primary_form_is_sane_text CHECK (is_sane_text(primary_form))
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);
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CREATE TABLE word_forms (
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id BIGSERIAL PRIMARY KEY,
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word_id BIGINT NOT NULL REFERENCES words (id),
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value VARCHAR NOT NULL,
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CONSTRAINT value_is_sane_text CHECK (is_sane_text(value))
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);
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CREATE TABLE word_form_example_texts (
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id BIGSERIAL PRIMARY KEY,
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word_form_id BIGINT NOT NULL REFERENCES word_forms (id),
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example_text_id BIGINT NOT NULL REFERENCES example_texts (id)
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);
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CREATE UNIQUE INDEX word_forms_word_value_index ON word_forms (word_id, value);
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COMMIT;
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