Add Table.prototype.serialize method to make ArrayBuffers from Tables

trxcllnt · trxcllnt · commit a242da8f480e · 2018-05-13T16:30:33.000-07:00
diff --git a/js/src/Arrow.externs.js b/js/src/Arrow.externs.js
@@ -65,6 +65,8 @@ Table.prototype.batches;
 Table.prototype.countBy;
 /** @type {?} */
 Table.prototype.scan;
+/** @type {?} */
+Table.prototype.serialize;
 
 var CountByResult = function() {};
 /** @type {?} */
diff --git a/js/src/table.ts b/js/src/table.ts
@@ -19,6 +19,7 @@ import { RecordBatch } from './recordbatch';
 import { Col, Predicate } from './predicate';
 import { Schema, Field, Struct } from './type';
 import { read, readAsync } from './ipc/reader/arrow';
+import { writeTableBinary } from './ipc/writer/arrow';
 import { isPromise, isAsyncIterable } from './util/compat';
 import { Vector, DictionaryVector, IntVector, StructVector } from './vector';
 import { ChunkedView } from './vector/chunked';
@@ -179,6 +180,10 @@ export class Table implements DataFrame {
         }
         return str;
     }
+    // @ts-ignore
+    public serialize(encoding = 'binary', stream = true) {
+        return writeTableBinary(this, stream);
+    }
     public rowsToString(separator = ' | '): TableToStringIterator {
         return new TableToStringIterator(tableRowsToString(this, separator));
     }

Original file line number	Diff line number	Diff line change
`@@ -19,6 +19,7 @@ import { RecordBatch } from './recordbatch';`
`19`	`19`	`import { Col, Predicate } from './predicate';`
`20`	`20`	`import { Schema, Field, Struct } from './type';`
`21`	`21`	`import { read, readAsync } from './ipc/reader/arrow';`
	`22`	`+import { writeTableBinary } from './ipc/writer/arrow';`
`22`	`23`	`import { isPromise, isAsyncIterable } from './util/compat';`
`23`	`24`	`import { Vector, DictionaryVector, IntVector, StructVector } from './vector';`
`24`	`25`	`import { ChunkedView } from './vector/chunked';`
`@@ -179,6 +180,10 @@ export class Table implements DataFrame {`
`179`	`180`	`}`
`180`	`181`	`return str;`
`181`	`182`	`}`
	`183`	`+ // @ts-ignore`
	`184`	`+ public serialize(encoding = 'binary', stream = true) {`
	`185`	`+ return writeTableBinary(this, stream);`
	`186`	`+ }`
`182`	`187`	`public rowsToString(separator = ' \| '): TableToStringIterator {`
`183`	`188`	`return new TableToStringIterator(tableRowsToString(this, separator));`
`184`	`189`	`}`