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renameOperatorClass.ts
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/
renameOperatorClass.ts
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import type { MigrationOptions } from '../../types';
import type { Name } from '../generalTypes';
export type RenameOperatorClassFn = (
oldOperatorClassName: Name,
indexMethod: Name,
newOperatorClassName: Name
) => string | string[];
export type RenameOperatorClass = RenameOperatorClassFn & {
reverse: RenameOperatorClassFn;
};
export function renameOperatorClass(
mOptions: MigrationOptions
): RenameOperatorClass {
const _rename: RenameOperatorClass = (
oldOperatorClassName,
indexMethod,
newOperatorClassName
) => {
const oldOperatorClassNameStr = mOptions.literal(oldOperatorClassName);
const newOperatorClassNameStr = mOptions.literal(newOperatorClassName);
return `ALTER OPERATOR CLASS ${oldOperatorClassNameStr} USING ${indexMethod} RENAME TO ${newOperatorClassNameStr};`;
};
_rename.reverse = (oldOperatorClassName, indexMethod, newOperatorClassName) =>
_rename(newOperatorClassName, indexMethod, oldOperatorClassName);
return _rename;
}