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support blob values #211

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This commit is contained in:
Jan Prochazka
2022-02-03 14:29:46 +01:00
parent 1d52e02107
commit 7297976843
12 changed files with 112 additions and 42 deletions
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7
packages/tools/src/SqlDumper.ts
View File

@@ -22,6 +22,8 @@ import {
import _isString from 'lodash/isString';
import _isNumber from 'lodash/isNumber';
import _isDate from 'lodash/isDate';
import _isArray from 'lodash/isArray';
import _isPlainObject from 'lodash/isPlainObject';
import uuidv1 from 'uuid/v1';
export class SqlDumper implements AlterProcessor {
@@ -57,6 +59,9 @@ export class SqlDumper implements AlterProcessor {
this.putRaw(this.escapeString(value));
this.putRaw("'");
}
putByteArrayValue(value) {
this.putRaw('NULL');
}
putValue(value) {
if (value === null) this.putRaw('NULL');
else if (value === true) this.putRaw('1');
@@ -64,6 +69,8 @@ export class SqlDumper implements AlterProcessor {
else if (_isString(value)) this.putStringValue(value);
else if (_isNumber(value)) this.putRaw(value.toString());
else if (_isDate(value)) this.putStringValue(new Date(value).toISOString());
else if (value?.type == 'Buffer' && _isArray(value?.data)) this.putByteArrayValue(value?.data);
else if (_isPlainObject(value) || _isArray(value)) this.putStringValue(JSON.stringify(value));
else this.putRaw('NULL');
}
putCmd(format, ...args) {

36
packages/tools/src/stringTools.ts
View File

@@ -1,5 +1,9 @@
import _isString from 'lodash/isString';
import _isArray from 'lodash/isArray';
import _isPlainObject from 'lodash/isPlainObject';
export function arrayToHexString(byteArray) {
return byteArray.reduce((output, elem) => output + ('0' + elem.toString(16)).slice(-2), '');
return byteArray.reduce((output, elem) => output + ('0' + elem.toString(16)).slice(-2), '').toUpperCase();
}
export function hexStringToArray(inputString) {
@@ -10,3 +14,33 @@ export function hexStringToArray(inputString) {
}
return res;
}
export function parseCellValue(value) {
if (!_isString(value)) return value;
if (value == '(NULL)') return null;
const mHex = value.match(/^0x([0-9a-fA-F][0-9a-fA-F])+$/);
if (mHex) {
return {
type: 'Buffer',
data: hexStringToArray(value.substring(2)),
};
}
const mOid = value.match(/^ObjectId\("([0-9a-f]{24})"\)$/);
if (mOid) {
return { $oid: mOid[1] };
}
return value;
}
export function stringifyCellValue(value) {
if (value === null) return '(NULL)';
if (value === undefined) return '(NoField)';
if (value?.type == 'Buffer' && _isArray(value.data)) return '0x' + arrayToHexString(value.data);
if (value?.$oid) return `ObjectId("${value?.$oid}")`;
if (_isPlainObject(value) || _isArray(value)) return JSON.stringify(value);
return value;
}