bun-mariadb/dist/lib/grab-duplicate-safe-insert-sql.js

26 lines
1.0 KiB
JavaScript

function quoteIdentifier(identifier) {
return `\`${identifier.replace(/`/g, "``")}\``;
}
export default async function ({ sql: passedSql, table, data }) {
const config = global.CONFIG;
const dbSchema = global.DB_SCHEMA;
const tableSchema = dbSchema?.tables.find((t) => t.tableName == table);
if (!tableSchema?.tableName) {
return passedSql;
}
const dataObject = Array.isArray(data) ? data[0] : data;
const dataKeys = Object.keys(dataObject || {});
if (dataKeys.length === 0) {
return passedSql;
}
const hasUniqueField = tableSchema.fields.some((field) => field.unique) || Boolean(tableSchema.uniqueConstraints?.length);
if (!hasUniqueField) {
return passedSql;
}
const setSql = dataKeys
.filter((field) => field !== "updated_at")
.map((field) => `${quoteIdentifier(field)} = VALUES(${quoteIdentifier(field)})`);
setSql.push(`updated_at = ${Date.now()}`);
return `${passedSql} ON DUPLICATE KEY UPDATE ${setSql.join(", ")}`;
}