Reading a Blob!
Note: tested with Oracle DB 9.x and a thin driver 9.x !
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import groovy.sql.Sql
println "---- A working test of writing and then reading a blob into an Oracle DB ---"
sql = Sql.newInstance("jdbc:oracle:thin:@pignut:1521:TESTBNDY", "userName",
"paSSword", "oracle.jdbc.OracleDriver")
rowTest = sql.firstRow("select binarydata from media where mediaid = 11122345")
blobTest = (oracle.sql.BLOB)rowTest[0]
byte_stream_test = blobTest.getBinaryStream()
if( byte_stream_test == null ) { println "Test: Received null stream!" }
byte[] byte_array_test = new byte[10]
int bytes_read_test = byte_stream_test.read(byte_array_test)
print "Read $bytes_read_test bytes from the blob!"
sql.connection.close()
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Uses a table:
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CREATE TABLE MEDIA ( MEDIAID NUMBER(22) NOT NULL, BINARYDATA BLOB NOT NULL ); CREATE SEQUENCE SEQ_MEDIAID INCREMENT BY 1 START WITH 100 ORDER; |