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refactor: sql-tools (#19717)

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Jason Rasmussen 2025-07-03 10:59:17 -04:00 • committed by GitHub
parent 484529e61e
commit 6044663e26
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58
server/src/sql-tools/to-sql/transformers/constraint.transformer.ts
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@ -1,58 +0,0 @@
import { asColumnList } from 'src/sql-tools/helpers';
import { SqlTransformer } from 'src/sql-tools/to-sql/transformers/types';
import { DatabaseActionType, DatabaseConstraint, DatabaseConstraintType, SchemaDiff } from 'src/sql-tools/types';
export const transformConstraints: SqlTransformer = (item: SchemaDiff) => {
switch (item.type) {
case 'constraint.add': {
return asConstraintAdd(item.constraint);
}
case 'constraint.drop': {
return asConstraintDrop(item.tableName, item.constraintName);
}
default: {
return false;
}
}
};
const withAction = (constraint: { onDelete?: DatabaseActionType; onUpdate?: DatabaseActionType }) =>
` ON UPDATE ${constraint.onUpdate ?? DatabaseActionType.NO_ACTION} ON DELETE ${constraint.onDelete ?? DatabaseActionType.NO_ACTION}`;
export const asConstraintAdd = (constraint: DatabaseConstraint): string | string[] => {
const base = `ALTER TABLE "${constraint.tableName}" ADD CONSTRAINT "${constraint.name}"`;
switch (constraint.type) {
case DatabaseConstraintType.PRIMARY_KEY: {
const columnNames = asColumnList(constraint.columnNames);
return `${base} PRIMARY KEY (${columnNames});`;
}
case DatabaseConstraintType.FOREIGN_KEY: {
const columnNames = asColumnList(constraint.columnNames);
const referenceColumnNames = asColumnList(constraint.referenceColumnNames);
return (
`${base} FOREIGN KEY (${columnNames}) REFERENCES "${constraint.referenceTableName}" (${referenceColumnNames})` +
withAction(constraint) +
';'
);
}
case DatabaseConstraintType.UNIQUE: {
const columnNames = asColumnList(constraint.columnNames);
return `${base} UNIQUE (${columnNames});`;
}
case DatabaseConstraintType.CHECK: {
return `${base} CHECK (${constraint.expression});`;
}
default: {
return [];
}
}
};
export const asConstraintDrop = (tableName: string, constraintName: string): string => {
return `ALTER TABLE "${tableName}" DROP CONSTRAINT "${constraintName}";`;
};