51 lines
1.8 KiB
TypeScript
51 lines
1.8 KiB
TypeScript
import sqlEqualityParser from "../../../utils/sql-equality-parser";
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import { ServerQueryEqualities } from "../../../types";
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type Params = {
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fieldName: string;
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value?: string;
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equality: (typeof ServerQueryEqualities)[number];
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};
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/**
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* # SQL Gen Operator Gen
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* @description Generates an SQL operator for node module `mysql` or `serverless-mysql`
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*/
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export default function sqlGenOperatorGen({
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fieldName,
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value,
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equality,
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}: Params): string {
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if (value) {
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if (equality == "LIKE") {
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return `LOWER(${fieldName}) LIKE LOWER('%${value}%')`;
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} else if (equality == "LIKE_RAW") {
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return `LOWER(${fieldName}) LIKE LOWER('${value}')`;
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} else if (equality == "NOT LIKE") {
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return `LOWER(${fieldName}) NOT LIKE LOWER('%${value}%')`;
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} else if (equality == "NOT LIKE_RAW") {
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return `LOWER(${fieldName}) NOT LIKE LOWER('${value}')`;
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} else if (equality == "REGEXP") {
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return `LOWER(${fieldName}) REGEXP LOWER('${value}')`;
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} else if (equality == "FULLTEXT") {
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return `MATCH(${fieldName}) AGAINST('${value}' IN BOOLEAN MODE)`;
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} else if (equality == "NOT EQUAL") {
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return `${fieldName} != ${value}`;
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} else if (equality) {
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return `${fieldName} ${sqlEqualityParser(equality)} ${value}`;
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} else {
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return `${fieldName} = ${value}`;
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}
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} else {
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if (equality == "IS NULL") {
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return `${fieldName} IS NULL`;
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} else if (equality == "IS NOT NULL") {
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return `${fieldName} IS NOT NULL`;
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} else if (equality) {
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return `${fieldName} ${sqlEqualityParser(equality)} ?`;
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} else {
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return `${fieldName} = ?`;
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}
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}
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}
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