29 lines
1.0 KiB
SQL
29 lines
1.0 KiB
SQL
-- Main table definitions
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CREATE TABLE table_definitions (
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id BIGSERIAL PRIMARY KEY,
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deleted BOOLEAN NOT NULL DEFAULT FALSE,
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table_name TEXT NOT NULL,
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columns JSONB NOT NULL,
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indexes JSONB NOT NULL,
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created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
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schema_id BIGINT NOT NULL REFERENCES schemas(id)
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);
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-- Relationship table for multiple links
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CREATE TABLE table_definition_links (
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source_table_id BIGINT NOT NULL REFERENCES table_definitions(id) ON DELETE CASCADE,
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linked_table_id BIGINT NOT NULL REFERENCES table_definitions(id),
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is_required BOOLEAN NOT NULL DEFAULT FALSE,
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created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY (source_table_id, linked_table_id)
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);
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-- Create composite unique index for schema+table combination
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CREATE UNIQUE INDEX idx_table_definitions_schema_table
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ON table_definitions (schema_id, table_name);
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CREATE INDEX idx_links_source ON table_definition_links (source_table_id);
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CREATE INDEX idx_links_target ON table_definition_links (linked_table_id);
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