Files
bun-sqlite/dist/lib/grab-duplicate-safe-insert-sql.js
T

38 lines
1.6 KiB
JavaScript

import init from "../functions/init";
import { sqlIdent, sqlQuoteIdent } from "../utils/sql-safe";
export default async function ({ sql: passed_sql, table, data }) {
let sql = passed_sql;
const { dbSchema } = init();
const table_schema = dbSchema.tables.find((t) => t.tableName == table);
const now = Date.now();
if (table_schema?.tableName) {
const set_sql_arr = Object.keys(Array.isArray(data) ? data[0] : data)
.filter((field) => field !== "updated_at")
.map((field) => {
const column = sqlIdent(field, "column name");
return `${column} = excluded.${column}`;
});
set_sql_arr.push(`updated_at = ${now}`);
const set_sql = set_sql_arr.join(", ");
const unique_fields = table_schema.fields.filter((f) => f.unique);
for (let i = 0; i < unique_fields.length; i++) {
const field = unique_fields[i];
if (!field?.fieldName)
continue;
sql += ` ON CONFLICT(${sqlQuoteIdent(field.fieldName)}) DO UPDATE SET ${set_sql}`;
}
if (table_schema.uniqueConstraints?.[0]) {
for (let i = 0; i < table_schema.uniqueConstraints.length; i++) {
const constraint = table_schema.uniqueConstraints[i];
const columns = constraint?.constraintTableFields
?.map((c) => sqlQuoteIdent(String(c.value)))
?.join(", ");
if (!columns)
continue;
sql += ` ON CONFLICT(${columns}) DO UPDATE SET ${set_sql}`;
}
}
}
return sql;
}