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49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
'use strict';
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const { create } = require("error-chain");
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const pgErrorCodes = require("pg-error-codes");
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const DatabaseError = require("../database-error.js");
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let UndefinedColumnError = create("UndefinedColumnError", { inheritsFrom: DatabaseError });
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let messageRegex = /^(.+) - column "([^"]+)" (?:of relation "([^"]+)" )?does not exist$/;
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module.exports = {
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error: UndefinedColumnError,
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errorName: "UndefinedColumnError",
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check: function checkType(error) {
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return (
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// PostgreSQL (via `pg`):
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(error.length != null && error.file != null && error.line != null && error.routine != null && error.code === "42703")
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);
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},
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convert: function convertError(error) {
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let messageMatch = messageRegex.exec(error.message);
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if (messageMatch == null) {
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throw new Error("Encountered unknown error format");
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}
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let [_, query, column, table] = messageMatch;
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let errorMessage;
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if (table != null) {
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errorMessage = `The '${column}' column does not exist in the '${table}' table`;
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} else {
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/* TODO: Maybe try to extract this from the query... somehow? */
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errorMessage = `The '${column}' column does not exist in (unknown table)`;
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}
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return new UndefinedColumnError(errorMessage, {
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originalError: error,
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pgCode: error.code,
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code: pgErrorCodes[error.code],
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query: query,
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table: table,
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column: column,
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});
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}
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};
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