Files
bun-sqlite/dist/utils/sql-generator-gen-join-str.js
T

60 lines
2.1 KiB
JavaScript

import { sqlIdent, sqlOperator, sqlRawEquality } from "./sql-safe";
export default function sqlGenGenJoinStr({ join, mtch, table_name }) {
let values = [];
if (mtch.__batch) {
let btch_mtch = ``;
btch_mtch += `(`;
for (let i = 0; i < mtch.__batch.matches.length; i++) {
const __mtch = mtch.__batch.matches[i];
const { str, values: batch_values } = sqlGenGenJoinStr({
join,
mtch: __mtch,
table_name,
});
btch_mtch += str;
values.push(...batch_values);
if (i < mtch.__batch.matches.length - 1) {
btch_mtch += ` ${sqlOperator(mtch.__batch.operator, "OR")} `;
}
}
btch_mtch += `)`;
return {
str: btch_mtch,
values,
};
}
const equality = mtch.raw_equality ? sqlRawEquality(mtch.raw_equality) : "=";
const lhs = `${sqlIdent(typeof mtch.source == "object" ? mtch.source.tableName : table_name, "table name")}.${sqlIdent(typeof mtch.source == "object" ? mtch.source.fieldName : mtch.source, "field name")}`;
if (mtch.between) {
values.push(mtch.between.min, mtch.between.max);
return {
str: `${lhs} BETWEEN ? AND ?`,
values,
};
}
if (mtch.not_between) {
values.push(mtch.not_between.min, mtch.not_between.max);
return {
str: `${lhs} NOT BETWEEN ? AND ?`,
values,
};
}
const rhs = (() => {
if (mtch.targetLiteral !== undefined && mtch.targetLiteral !== null) {
values.push(mtch.targetLiteral);
return `?`;
}
const targetTable = typeof mtch.target == "object"
? mtch.target.tableName
: join.alias || join.tableName;
const targetField = typeof mtch.target == "object"
? mtch.target.fieldName
: mtch.target;
return `${sqlIdent(targetTable, "table name")}.${sqlIdent(targetField, "field name")}`;
})();
return {
str: `${lhs} ${equality} ${rhs}`,
values,
};
}