$v ) { echo( " {$k} => {$v}\n" ); } } function printEntry( $entry ) { printRow( $entry->row, $entry->columns ); } $socket = new TSocket( 'localhost', 9090 ); $socket->setSendTimeout( 10000 ); // Ten seconds (too long for production, but this is just a demo ;) $socket->setRecvTimeout( 20000 ); // Twenty seconds $transport = new TBufferedTransport( $socket ); $protocol = new TBinaryProtocol( $transport ); $client = new HbaseClient( $protocol ); $transport->open(); $t = 'demo_table'; ?>
getTableNames(); sort( $tables ); foreach ( $tables as $name ) { echo( " found: {$name}\n" ); if ( $name == $t ) { echo( " deleting table: {$name}\n" ); $client->deleteTable( $name ); } } # # Create the demo table with two column families, entry: and unused: # $columns = array( new ColumnDescriptor( array( 'name' => 'entry:', 'maxVersions' => 10 ) ), new ColumnDescriptor( array( 'name' => 'unused:' ) ) ); echo( "creating table: {$t}\n" ); try { $client->createTable( $t, $columns ); } catch ( AlreadyExists $ae ) { echo( "WARN: {$ae->message}\n" ); } echo( "column families in {$t}:\n" ); $descriptors = $client->getColumnDescriptors( $t ); asort( $descriptors ); foreach ( $descriptors as $col ) { echo( " column: {$col->name}, maxVer: {$col->maxVersions}\n" ); } # # Test UTF-8 handling # $invalid = "foo-\xfc\xa1\xa1\xa1\xa1\xa1"; $valid = "foo-\xE7\x94\x9F\xE3\x83\x93\xE3\x83\xBC\xE3\x83\xAB"; # non-utf8 is fine for data $client->put( $t, "foo", "entry:foo", $invalid ); # try empty strings $client->put( $t, "", "entry:", "" ); # this row name is valid utf8 $client->put( $t, $valid, "entry:foo", $valid ); # non-utf8 is not allowed in row names try { $client->put( $t, $invalid, "entry:foo", $invalid ); throw new Exception( "shouldn't get here!" ); } catch ( IOError $e ) { echo( "expected error: {$e->message}\n" ); } # Run a scanner on the rows we just created echo( "Starting scanner...\n" ); $scanner = $client->scannerOpen( $t, "", array( "entry:" ) ); try { while (true) printEntry( $client->scannerGet( $scanner ) ); } catch ( NotFound $nf ) { $client->scannerClose( $scanner ); echo( "Scanner finished\n" ); } # # Run some operations on a bunch of rows. # for ($e=100; $e>=0; $e--) { # format row keys as "00000" to "00100" $row = str_pad( $e, 5, '0', STR_PAD_LEFT ); $client->put( $t, $row, "unused:", "DELETE_ME" ); printRow( $row, $client->getRow( $t, $row ) ); $client->deleteAllRow( $t, $row ); $client->put( $t, $row, "entry:num", "0" ); $client->put( $t, $row, "entry:foo", "FOO"); printRow( $row, $client->getRow( $t, $row ) ); $mutations = array( new Mutation( array( 'column' => 'entry:foo', 'isDelete' => 1 ) ), new Mutation( array( 'column' => 'entry:num', 'value' => '-1' ) ), ); $client->mutateRow( $t, $row, $mutations ); printRow( $row, $client->getRow( $t, $row ) ); $client->put( $t, $row, "entry:num", $e ); $client->put( $t, $row, "entry:sqr", $e * $e ); printRow( $row, $client->getRow( $t, $row ) ); $mutations = array( new Mutation( array( 'column' => 'entry:num', 'isDelete' => '-999' ) ), new Mutation( array( 'column' => 'entry:sqr', 'isDelete' => 1 ) ), ); $client->mutateRowTs( $t, $row, $mutations, 1 ); # shouldn't override latest printRow( $row, $client->getRow( $t, $row ) ); $versions = $client->getVer( $t, $row, "entry:num", 10 ); echo( "row: {$row}, values: \n" ); foreach ( $versions as $v ) echo( " {$v};\n" ); try { $client->get( $t, $row, "entry:foo"); throw new Exception ( "shouldn't get here! " ); } catch ( NotFound $nf ) { # blank } } $columns = array(); foreach ( $client->getColumnDescriptors($t) as $col=>$desc ) $columns[] = $col; echo( "Starting scanner...\n" ); $scanner = $client->scannerOpenWithStop( $t, "00020", "00040", $columns ); try { while (true) printEntry( $client->scannerGet( $scanner ) ); } catch ( NotFound $nf ) { $client->scannerClose( $scanner ); echo( "Scanner finished\n" ); } $transport->close(); ?>