Add SQLite flavor

src/flavors/sqlite.ts

@@ -0,0 +1,22 @@
+import { ExpressionBase, FunctionExpression } from "../Expression";
+import { MySQLFlavor } from "./mysql";
+
+export class SQLiteFlavor extends MySQLFlavor {
+  // protected columnQuotes: string = "'"
+  protected stringQuotes: string = "'";
+  escapeFunction(fn: FunctionExpression): string {
+    const args = fn.value
+      .map((arg) => ExpressionBase.deserialize(arg).toSQL(this))
+      .join(", ");
+    if (fn.name === "MONTH") {
+      return `strftime('%m', ${args}, 'localtime')`;
+    }
+    if (fn.name === "YEAR") {
+      return `strftime('%Y', ${args}, 'localtime')`;
+    }
+    return super.escapeFunction(fn);
+  }
+  escapeTable(table: string): string {
+    return super.escapeTable(table.substring(table.indexOf("@") + 1));
+  }
+}

src/index.ts

@@ -5,6 +5,7 @@ export { DeleteMutation, InsertMutation, UpdateMutation } from "./Mutation";
 export { AWSTimestreamFlavor } from "./flavors/aws-timestream";
 export { DefaultFlavor } from "./flavors/default";
 export { MySQLFlavor } from "./flavors/mysql";
+export { SQLiteFlavor } from "./flavors/sqlite";
 
 export { Cond, Condition, type ConditionValue } from "./Condition";
 export { Fn, Function } from "./Function";