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fix(db): tolerate SQLite optional COLUMN keyword in migration parsing (#8368) #8456

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Merged
loopover-orb merged 1 commit into from
Jul 24, 2026
+18 −3
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fix(db): tolerate SQLite optional COLUMN keyword in migration parsing (#8368) #8456

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6 changes: 3 additions & 3 deletions src/db/migration-column-extraction.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -163,7 +163,7 @@ export function extractSchemaEvents(rawStatement: string): SchemaEvent[] {
const dropTableMatch = /^\s*DROP\s+TABLE\s+(?:IF\s+EXISTS\s+)?(\w+)/i.exec(statement);
if (dropTableMatch) return [{ type: "drop_table", table: dropTableMatch[1]!.toLowerCase() }];

const renameColumnMatch = /\bALTER\s+TABLE\s+(\w+)\s+RENAME\s+COLUMN\s+(\w+)\s+TO\s+(\w+)/i.exec(statement);
const renameColumnMatch = /\bALTER\s+TABLE\s+(\w+)\s+RENAME\s+(?:COLUMN\s+)?(\w+)\s+TO\s+(\w+)/i.exec(statement);
if (renameColumnMatch) {
const table = renameColumnMatch[1]!.toLowerCase();
return [
Expand All @@ -172,10 +172,10 @@ export function extractSchemaEvents(rawStatement: string): SchemaEvent[] {
];
}

const dropColumnMatch = /\bALTER\s+TABLE\s+(\w+)\s+DROP\s+COLUMN\s+(\w+)/i.exec(statement);
const dropColumnMatch = /\bALTER\s+TABLE\s+(\w+)\s+DROP\s+(?:COLUMN\s+)?(\w+)/i.exec(statement);
if (dropColumnMatch) return [{ type: "remove_column", table: dropColumnMatch[1]!.toLowerCase(), column: dropColumnMatch[2]!.toLowerCase() }];

const addColumnMatch = /\bALTER\s+TABLE\s+(\w+)\s+ADD\s+COLUMN\s+(\w+)/i.exec(statement);
const addColumnMatch = /\bALTER\s+TABLE\s+(\w+)\s+ADD\s+(?:COLUMN\s+)?(\w+)/i.exec(statement);
if (addColumnMatch) return [{ type: "define_column", table: addColumnMatch[1]!.toLowerCase(), column: addColumnMatch[2]!.toLowerCase() }];

const createTableMatch = /\bCREATE\s+TABLE\s+(?:IF\s+NOT\s+EXISTS\s+)?(\w+)\s*\(([\s\S]*)\)[^)]*$/i.exec(statement);
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15 changes: 15 additions & 0 deletions test/unit/migration-column-extraction.test.ts
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Expand Up @@ -107,6 +107,21 @@ describe("extractSchemaEvents (#2551)", () => {
]);
});

it("extracts ADD COLUMN's terser SQLite form that omits the COLUMN keyword (#8368)", () => {
expect(extractSchemaEvents("ALTER TABLE widgets ADD color TEXT;")).toEqual([{ type: "define_column", table: "widgets", column: "color" }]);
});

it("extracts DROP COLUMN's terser SQLite form that omits the COLUMN keyword (#8368)", () => {
expect(extractSchemaEvents("ALTER TABLE widgets DROP color;")).toEqual([{ type: "remove_column", table: "widgets", column: "color" }]);
});

it("extracts RENAME COLUMN's terser SQLite form that omits the COLUMN keyword (#8368)", () => {
expect(extractSchemaEvents("ALTER TABLE widgets RENAME color TO hue;")).toEqual([
{ type: "remove_column", table: "widgets", column: "color" },
{ type: "define_column", table: "widgets", column: "hue" },
]);
});

it("returns [] for a statement with no schema-shape effect (CREATE INDEX, INSERT)", () => {
expect(extractSchemaEvents("CREATE INDEX widgets_name_idx ON widgets (name);")).toEqual([]);
expect(extractSchemaEvents("INSERT INTO widgets (name) VALUES ('x');")).toEqual([]);
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