Files
bun-sqlite/dist/lib/schema/build-column-definition.js
T

53 lines
1.6 KiB
JavaScript

import { sqlQuoteIdent as q } from "../../utils/sql-safe";
import mapDataType from "./map-data-types";
/**
* Build column definition SQL
*/
export default function buildColumnDefinition(field, is_vector) {
if (!field.fieldName) {
throw new Error("Field name is required");
}
// vec0 can't parse quoted column names
const fieldName = is_vector
? field.sideCar
? `+${field.fieldName}`
: `${field.fieldName}`
: q(field.fieldName);
const parts = [fieldName];
// Data type mapping
parts.push(mapDataType(field));
// Primary key
if (field.primaryKey) {
parts.push("PRIMARY KEY");
if (field.autoIncrement) {
parts.push("AUTOINCREMENT");
}
}
// Not null
if (field.notNullValue && !field.primaryKey) {
parts.push("NOT NULL");
}
// Unique
if (field.unique && !field.primaryKey) {
parts.push("UNIQUE");
}
if (field.vectorDistanceMetric) {
parts.push(`distance_metric=${field.vectorDistanceMetric}`);
}
// Default value
if (field.defaultValue !== undefined) {
if (typeof field.defaultValue === "string") {
parts.push(
// Escape single quotes by doubling them to prevent SQL injection and wrap in single quotes
`DEFAULT '${field.defaultValue.replace(/'/g, "''")}'`);
}
else {
parts.push(`DEFAULT ${field.defaultValue}`);
}
}
else if (field.defaultValueLiteral) {
parts.push(`DEFAULT ${field.defaultValueLiteral}`);
}
return parts.join(" ");
}