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

66 lines
2.2 KiB
JavaScript

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 += ` ${mtch.__batch.operator || "OR"} `;
}
}
btch_mtch += `)`;
return {
str: btch_mtch,
values,
};
}
const equality = mtch.raw_equality || "=";
const lhs = `${typeof mtch.source == "object" ? mtch.source.tableName : table_name}.${typeof mtch.source == "object" ? mtch.source.fieldName : mtch.source}`;
const rhs = `${(() => {
if (mtch.targetLiteral) {
values.push(mtch.targetLiteral);
// if (typeof mtch.targetLiteral == "number") {
// return `${mtch.targetLiteral}`;
// }
// return `'${mtch.targetLiteral}'`;
return `?`;
}
if (join.alias) {
return `${typeof mtch.target == "object"
? mtch.target.tableName
: join.alias}.${typeof mtch.target == "object"
? mtch.target.fieldName
: mtch.target}`;
}
return `${typeof mtch.target == "object"
? mtch.target.tableName
: join.tableName}.${typeof mtch.target == "object" ? mtch.target.fieldName : mtch.target}`;
})()}`;
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,
};
}
return {
str: `${lhs} ${equality} ${rhs}`,
values,
};
}