node-firebird - npm Package Compare versions

Comparing version 1.0.0 to 1.1.0

lib/index.d.ts

@@ -54,2 +54,33 @@ // Type definitions for node-firebird
 
+    export type SupportedCharacterSet = |
+        'NONE' |
+        'CP943C' |
+        'DOS737' |
+        'DOS775' |
+        'DOS858' |
+        'DOS862' |
+        'DOS864' |
+        'DOS866' |
+        'DOS869' |
+        'GB18030' |
+        'GBK' |
+        'ISO8859_2' |
+        'ISO8859_3' |
+        'ISO8859_4' |
+        'ISO8859_5' |
+        'ISO8859_6' |
+        'ISO8859_7' |
+        'ISO8859_8' |
+        'ISO8859_9' |
+        'ISO8859_13' |
+        'KOI8R' |
+        'KOI8U' |
+        'TIS620' |
+        'UTF8' |
+        'WIN1255' |
+        'WIN1256' |
+        'WIN1257' |
+        'WIN1258' |
+        'WIN_1258';
+
     export interface Options {
@@ -65,2 +96,4 @@ host?: string;
         retryConnectionInterval?: number;
+        encoding?: SupportedCharacterSet;
+        blobAsText?: boolean; // only affects for blob subtype 1
     }
@@ -67,0 +100,0 @@

package.json

 {
     "name": "node-firebird",
-    "version": "1.0.0",
+    "version": "1.1.0",
     "description": "Pure JavaScript and Asynchronous Firebird client for Node.js.",
@@ -5,0 +5,0 @@ "keywords": [

README.md

@@ -71,2 +71,3 @@ # Pure JavaScript and Asynchronous Firebird client for Node.js
 options.retryConnectionInterval = 1000; // reconnect interval in case of connection drop
+options.blobAsText = false; // set to true to get blob as text, only affects blob subtype 1
 ```
@@ -227,2 +228,69 @@
 
+### Reading Multiples Blobs (Asynchronous)
+```js
+Firebird.attach(options, (err, db) => {
+    if (err)
+        throw err;
+
+    db.transaction(Firebird.ISOLATION_READ_COMMITED, (err, transaction) => {
+        if (err) {
+            throw err;
+        }
+
+        transaction.query('SELECT FIRST 10 * FROM JOB', (err, result) => {
+            if (err) {
+                transaction.rollback();
+                return;
+            }
+
+            const arrBlob = [];
+            for (const item of result) {
+                const fields = Object.keys(item);
+                for (const key of fields) {
+                    if (typeof item[key] === 'function') {
+                        item[key] = new Promise((resolve, reject) => {
+                            // the same transaction is used (better performance)
+                            // this is optional
+                            item[key](transaction, (error, name, event, row) => {
+                                if (error) {
+                                    return reject(error);
+                                }
+
+                                // reading data
+                                let value = '';
+                                event.on('data', (chunk) => {
+                                    value += chunk.toString('binary');
+                                });
+                                event.on('end', () => {
+                                    resolve({ value, column: name, row });
+                                });
+                            });
+                        });
+                        arrBlob.push(item[key]);
+                    }
+                }
+            }
+
+            Promise.all(arrBlob).then((blobs) => {
+                for (const blob of blobs) {
+                    result[blob.row][blob.column] = blob.value;
+                }
+
+                transaction.commit((err) => {
+                    if (err) {
+                        transaction.rollback();
+                        return;
+                    }
+
+                    db.detach();
+                    console.log(result);
+                });
+            }).catch((err) => {
+                transaction.rollback();
+            });
+        });
+    });
+});
+```
+
 ### Streaming a big data
@@ -229,0 +297,0 @@

No alert changes

Improved metrics

Total package byte prevSize

518754

increased by1.58%

Lines of code

8489

increased by1.62%

Number of lines in readme file

621

increased by12.3%

No dependency changes