Re: JDBC CStmt (inline this time) - Mailing list pgsql-patches
| From | Bruce Momjian |
|---|---|
| Subject | Re: JDBC CStmt (inline this time) |
| Date | |
| Msg-id | 200202230239.g1N2dsq06499@candle.pha.pa.us Whole thread Raw |
| In response to | JDBC CStmt (inline this time) (Paul Bethe <pmbethe@yahoo.com>) |
| List | pgsql-patches |
Your patch has been added to the PostgreSQL unapplied patches list at:
http://candle.pha.pa.us/cgi-bin/pgpatches
I will try to apply it within the next 48 hours. Requires approval of
jdbc maintainers.
---------------------------------------------------------------------------
Paul Bethe wrote:
> Sorry all for the clutter - I am new to
> listserver/patch style submission I guess the correct
> way is to inline all the files.. sorry for the
> previous attachments.
>
> Paul B
>
> *** jdbc2/CallableStatement.java Wed Feb 20 15:29:23
> 2002
> ---
> /home/paulb/Development/pgsql/src/interfaces/jdbc/org/postgresql/jdbc2/CallableStatement.java
> Mon Nov 19 17:33:38 2001
> ***************
> *** 7,13 ****
>
> import java.sql.*;
> import java.math.*;
> ! import org.postgresql.util.*;
> /*
> * CallableStatement is used to execute SQL stored
> procedures.
> *
> --- 7,13 ----
>
> import java.sql.*;
> import java.math.*;
> !
> /*
> * CallableStatement is used to execute SQL stored
> procedures.
> *
> ***************
> *** 46,91 ****
> */
> public CallableStatement(Connection c, String q)
> throws SQLException
> {
> ! super(c, q, false); // don't parse yet..
> ! modifyJdbcCall ();
> ! parseSqlStmt (); // now parse the reformed stmt..
> ! }
> !
> ! /**
> ! * this method will turn a string of the form
> ! * {? = call <some_function> (?, [?,..]) }
> ! * into the PostgreSQL format which is
> ! * select <some_function> (?, [?, ...]) as result
> ! *
> ! */
> ! private void modifyJdbcCall () throws SQLException
> {
> ! originalSql = sql; // save for error msgs..
> ! int index = sql.indexOf ("="); // is implied func
> or proc?
> ! if (index != -1) isFunction = true;
> ! index = sql.indexOf ("call");
> ! if (index == -1)
> ! throw new PSQLException
> ("postgresql.call.malformed",
> ! new Object[]{sql, JDBC_SYNTAX});
> ! sql = sql.replace ('{', ' '); // replace these
> characters
> ! sql = sql.replace ('}', ' ');
> ! sql = sql.replace (';', ' ');
> !
> ! sql = (isFunction ? "?" : "") + sql.substring
> (index + 4);
> ! sql = "select " + sql + " as " + RESULT_COLUMN +
> ";";
> ! }
> !
> ! // internals
> ! static final String JDBC_SYNTAX = "{[? =] call
> <some_function> ([? [,?]*]) }";
> ! static final String RESULT_COLUMN = "result";
> ! String originalSql = "";
> ! boolean isFunction;
> ! // functionReturnType contains the user supplied
> value to check
> ! // testReturn contains a modified version to make
> it easier to
> ! // check the getXXX methods..
> ! int functionReturnType;
> ! int testReturn;
> ! boolean returnTypeSet;
> ! Object result;
>
> /*
> * Before executing a stored procedure call you
> must explicitly
> --- 46,53 ----
> */
> public CallableStatement(Connection c, String q)
> throws SQLException
> {
> ! super(c, q);
> ! }
>
> /*
> * Before executing a stored procedure call you
> must explicitly
> ***************
> *** 96,103 ****
> * the getXXX method whose Java type XXX
> corresponds to the
> * parameter's registered SQL type.
> *
> - * ONLY 1 RETURN PARAMETER if {?= call ..} syntax
> is used
> - *
> * @param parameterIndex the first parameter is 1,
> the second is 2,...
> * @param sqlType SQL type code defined by
> java.sql.Types; for
> * parameters of type Numeric or Decimal use the
> version of
> --- 58,63 ----
> ***************
> *** 105,160 ****
> * @exception SQLException if a database-access
> error occurs.
> */
> public void registerOutParameter(int
> parameterIndex, int sqlType) throws SQLException
> ! {
> ! if (parameterIndex != 1)
> ! throw new PSQLException
> ("postgresql.call.noinout");
> ! if (!isFunction)
> ! throw new PSQLException
> ("postgresql.call.procasfunc", originalSql);
> !
> ! // functionReturnType contains the user supplied
> value to check
> ! // testReturn contains a modified version to make
> it easier to
> ! // check the getXXX methods..
> ! functionReturnType = sqlType;
> ! testReturn = sqlType;
> ! if (functionReturnType == Types.CHAR ||
> ! functionReturnType == Types.LONGVARCHAR)
> ! testReturn = Types.VARCHAR;
> ! else if (functionReturnType == Types.FLOAT)
> ! testReturn = Types.REAL; // changes to
> streamline later error checking
> ! returnTypeSet = true;
> ! }
> !
> ! /**
> ! * allow calls to execute update
> ! * @return 1 if succesful call otherwise 0
> ! */
> ! public int executeUpdate() throws SQLException
> ! {
> ! // System.out.println ("Executing " +
> compileQuery());
> ! java.sql.ResultSet rs = super.executeQuery
> (compileQuery());
> ! if (isFunction) {
> ! if (!rs.next ())
> ! throw new PSQLException
> ("postgresql.call.noreturnval"); // TODO-props
> ! result = rs.getObject (1);
> ! int columnType = rs.getMetaData().getColumnType
> (1);
> ! if (columnType != functionReturnType)
> ! throw new PSQLException
> ("postgresql.call.wrongrtntype",
> ! new Object[]{
> ! getSqlTypeName (columnType), getSqlTypeName
> (functionReturnType) });
> ! }
> ! rs.close ();
> ! return 1;
> ! }
> !
> !
> ! /**
> ! * allow calls to execute update
> ! * @return true if succesful
> ! */
> ! public boolean execute() throws SQLException
> ! {
> ! return (executeUpdate() == 1);
> ! }
>
> /*
> * You must also specify the scale for
> numeric/decimal types:
> --- 65,71 ----
> * @exception SQLException if a database-access
> error occurs.
> */
> public void registerOutParameter(int
> parameterIndex, int sqlType) throws SQLException
> ! {}
>
> /*
> * You must also specify the scale for
> numeric/decimal types:
> ***************
> *** 171,210 ****
> */
> public void registerOutParameter(int
> parameterIndex, int sqlType,
> int scale) throws SQLException
> ! {
> ! registerOutParameter (parameterIndex, sqlType);
> // ignore for now..
> ! }
> !
> ! /*
> ! * override this method to check for set @ 1 when
> declared function..
> ! *
> ! * @param paramIndex the index into the inString
> ! * @param s a string to be stored
> ! * @exception SQLException if something goes wrong
> ! */
> ! protected void set(int paramIndex, String s) throws
> SQLException
> ! {
> ! if (paramIndex == 1 && isFunction) // need to
> registerOut instead
> ! throw new PSQLException
> ("postgresql.call.funcover");
> ! super.set (paramIndex, s); // else set as usual..
> ! }
> !
> ! /*
> ! * Helper - this compiles the SQL query from the
> various parameters
> ! * This is identical to toString() except it throws
> an exception if a
> ! * parameter is unused.
> ! */
> ! protected synchronized String compileQuery()
> ! throws SQLException
> ! {
> ! if (isFunction && !returnTypeSet)
> ! throw new
> PSQLException("postgresql.call.noreturntype");
> ! if (isFunction) { // set entry 1 to dummy entry..
> ! inStrings[0] = ""; // dummy entry which ensured
> that noone overrode
> ! // and calls to setXXX (2,..) really went to
> first arg in a function call..
> ! }
> ! return super.compileQuery ();
> ! }
>
> // Old api?
> //public boolean isNull(int parameterIndex) throws
> SQLException {
> --- 82,88 ----
> */
> public void registerOutParameter(int
> parameterIndex, int sqlType,
> int scale) throws SQLException
> ! {}
>
> // Old api?
> //public boolean isNull(int parameterIndex) throws
> SQLException {
> ***************
> *** 223,229 ****
> public boolean wasNull() throws SQLException
> {
> // check to see if the last access threw an
> exception
> ! return (result == null);
> }
>
> // Old api?
> --- 101,107 ----
> public boolean wasNull() throws SQLException
> {
> // check to see if the last access threw an
> exception
> ! return false; // fake it for now
> }
>
> // Old api?
> ***************
> *** 241,248 ****
> */
> public String getString(int parameterIndex) throws
> SQLException
> {
> ! checkIndex (parameterIndex, Types.VARCHAR,
> "String");
> ! return (String)result;
> }
> //public String getVarChar(int parameterIndex)
> throws SQLException {
> // return null;
> --- 119,125 ----
> */
> public String getString(int parameterIndex) throws
> SQLException
> {
> ! return null;
> }
> //public String getVarChar(int parameterIndex)
> throws SQLException {
> // return null;
> ***************
> *** 261,269 ****
> */
> public boolean getBoolean(int parameterIndex)
> throws SQLException
> {
> ! checkIndex (parameterIndex, Types.BIT, "Boolean");
> ! if (result == null) return false;
> ! return ((Boolean)result).booleanValue ();
> }
>
> /*
> --- 138,144 ----
> */
> public boolean getBoolean(int parameterIndex)
> throws SQLException
> {
> ! return false;
> }
>
> /*
> ***************
> *** 275,283 ****
> */
> public byte getByte(int parameterIndex) throws
> SQLException
> {
> ! checkIndex (parameterIndex, Types.TINYINT,
> "Byte");
> ! if (result == null) return 0;
> ! return (byte)((Integer)result).intValue ();
> }
>
> /*
> --- 150,156 ----
> */
> public byte getByte(int parameterIndex) throws
> SQLException
> {
> ! return 0;
> }
>
> /*
> ***************
> *** 289,299 ****
> */
> public short getShort(int parameterIndex) throws
> SQLException
> {
> ! checkIndex (parameterIndex, Types.SMALLINT,
> "Short");
> ! if (result == null) return 0;
> ! return (short)((Integer)result).intValue ();
> }
> -
>
> /*
> * Get the value of an INTEGER parameter as a Java
> int.
> --- 162,169 ----
> */
> public short getShort(int parameterIndex) throws
> SQLException
> {
> ! return 0;
> }
>
> /*
> * Get the value of an INTEGER parameter as a Java
> int.
> ***************
> *** 304,312 ****
> */
> public int getInt(int parameterIndex) throws
> SQLException
> {
> ! checkIndex (parameterIndex, Types.INTEGER, "Int");
> ! if (result == null) return 0;
> ! return ((Integer)result).intValue ();
> }
>
> /*
> --- 174,180 ----
> */
> public int getInt(int parameterIndex) throws
> SQLException
> {
> ! return 0;
> }
>
> /*
> ***************
> *** 318,326 ****
> */
> public long getLong(int parameterIndex) throws
> SQLException
> {
> ! checkIndex (parameterIndex, Types.BIGINT, "Long");
> ! if (result == null) return 0;
> ! return ((Long)result).longValue ();
> }
>
> /*
> --- 186,192 ----
> */
> public long getLong(int parameterIndex) throws
> SQLException
> {
> ! return 0;
> }
>
> /*
> ***************
> *** 332,340 ****
> */
> public float getFloat(int parameterIndex) throws
> SQLException
> {
> ! checkIndex (parameterIndex, Types.REAL, "Float");
> ! if (result == null) return 0;
> ! return ((Float)result).floatValue ();
> }
>
> /*
> --- 198,204 ----
> */
> public float getFloat(int parameterIndex) throws
> SQLException
> {
> ! return (float) 0.0;
> }
>
> /*
> ***************
> *** 346,354 ****
> */
> public double getDouble(int parameterIndex) throws
> SQLException
> {
> ! checkIndex (parameterIndex, Types.DOUBLE,
> "Double");
> ! if (result == null) return 0;
> ! return ((Double)result).doubleValue ();
> }
>
> /*
> --- 210,216 ----
> */
> public double getDouble(int parameterIndex) throws
> SQLException
> {
> ! return 0.0;
> }
>
> /*
> ***************
> *** 365,372 ****
> public BigDecimal getBigDecimal(int parameterIndex,
> int scale)
> throws SQLException
> {
> ! checkIndex (parameterIndex, Types.NUMERIC,
> "BigDecimal");
> ! return ((BigDecimal)result);
> }
>
> /*
> --- 227,233 ----
> public BigDecimal getBigDecimal(int parameterIndex,
> int scale)
> throws SQLException
> {
> ! return null;
> }
>
> /*
> ***************
> *** 379,386 ****
> */
> public byte[] getBytes(int parameterIndex) throws
> SQLException
> {
> ! checkIndex (parameterIndex, Types.VARBINARY,
> "Bytes");
> ! return ((byte [])result);
> }
>
> // New API (JPM) (getLongVarBinary)
> --- 240,246 ----
> */
> public byte[] getBytes(int parameterIndex) throws
> SQLException
> {
> ! return null;
> }
>
> // New API (JPM) (getLongVarBinary)
> ***************
> *** 397,404 ****
> */
> public java.sql.Date getDate(int parameterIndex)
> throws SQLException
> {
> ! checkIndex (parameterIndex, Types.DATE, "Date");
> ! return (java.sql.Date)result;
> }
>
> /*
> --- 257,263 ----
> */
> public java.sql.Date getDate(int parameterIndex)
> throws SQLException
> {
> ! return null;
> }
>
> /*
> ***************
> *** 410,417 ****
> */
> public java.sql.Time getTime(int parameterIndex)
> throws SQLException
> {
> ! checkIndex (parameterIndex, Types.TIME, "Time");
> ! return (java.sql.Time)result;
> }
>
> /*
> --- 269,275 ----
> */
> public java.sql.Time getTime(int parameterIndex)
> throws SQLException
> {
> ! return null;
> }
>
> /*
> ***************
> *** 424,431 ****
> public java.sql.Timestamp getTimestamp(int
> parameterIndex)
> throws SQLException
> {
> ! checkIndex (parameterIndex, Types.TIMESTAMP,
> "Timestamp");
> ! return (java.sql.Timestamp)result;
> }
>
>
> //----------------------------------------------------------------------
> --- 282,288 ----
> public java.sql.Timestamp getTimestamp(int
> parameterIndex)
> throws SQLException
> {
> ! return null;
> }
>
>
> //----------------------------------------------------------------------
> ***************
> *** 460,467 ****
> public Object getObject(int parameterIndex)
> throws SQLException
> {
> ! checkIndex (parameterIndex);
> ! return result;
> }
>
> // ** JDBC 2 Extensions **
> --- 317,323 ----
> public Object getObject(int parameterIndex)
> throws SQLException
> {
> ! return null;
> }
>
> // ** JDBC 2 Extensions **
> ***************
> *** 471,480 ****
> throw org.postgresql.Driver.notImplemented();
> }
>
> ! public java.math.BigDecimal getBigDecimal(int
> parameterIndex) throws SQLException
> {
> ! checkIndex (parameterIndex, Types.NUMERIC,
> "BigDecimal");
> ! return ((BigDecimal)result);
> }
>
> public Blob getBlob(int i) throws SQLException
> --- 327,335 ----
> throw org.postgresql.Driver.notImplemented();
> }
>
> ! public java.math.BigDecimal getBigDecimal(int i)
> throws SQLException
> {
> ! throw org.postgresql.Driver.notImplemented();
> }
>
> public Blob getBlob(int i) throws SQLException
> ***************
> *** 512,587 ****
> throw org.postgresql.Driver.notImplemented();
> }
>
> - // no custom types allowed yet..
> public void registerOutParameter(int
> parameterIndex, int sqlType, String typeName) throws
> SQLException
> {
> throw org.postgresql.Driver.notImplemented();
> }
>
> -
> -
> - /** helperfunction for the getXXX calls to check
> isFunction and index == 1
> - */
> - private void checkIndex (int parameterIndex, int
> type, String getName)
> - throws SQLException {
> - checkIndex (parameterIndex);
> - if (type != this.testReturn)
> - throw new
> PSQLException("postgresql.call.wrongget",
> - new Object[]{getSqlTypeName (testReturn),
> - getName,
> - getSqlTypeName (type)});
> - }
> - /** helperfunction for the getXXX calls to check
> isFunction and index == 1
> - * @param parameterIndex index of getXXX (index)
> - * check to make sure is a function and index == 1
> - */
> - private void checkIndex (int parameterIndex) throws
> SQLException {
> - if (!isFunction)
> - throw new
> PSQLException("postgresql.call.noreturntype");
> - if (parameterIndex != 1)
> - throw new
> PSQLException("postgresql.call.noinout");
> - }
> -
> - /** helper function for creating msg with type
> names
> - * @param sqlType a java.sql.Types.XX constant
> - * @return String which is the name of the
> constant..
> - */
> - private static String getSqlTypeName (int sqlType)
> {
> - switch (sqlType)
> - {
> - case Types.BIT:
> - return "BIT";
> - case Types.SMALLINT:
> - return "SMALLINT";
> - case Types.INTEGER:
> - return "INTEGER";
> - case Types.BIGINT:
> - return "BIGINT";
> - case Types.NUMERIC:
> - return "NUMERIC";
> - case Types.REAL:
> - return "REAL";
> - case Types.DOUBLE:
> - return "DOUBLE";
> - case Types.FLOAT:
> - return "FLOAT";
> - case Types.CHAR:
> - return "CHAR";
> - case Types.VARCHAR:
> - return "VARCHAR";
> - case Types.DATE:
> - return "DATE";
> - case Types.TIME:
> - return "TIME";
> - case Types.TIMESTAMP:
> - return "TIMESTAMP";
> - case Types.BINARY:
> - return "BINARY";
> - case Types.VARBINARY:
> - return "VARBINARY";
> - default:
> - return "UNKNOWN";
> - }
> - }
> }
>
> --- 367,376 ----
> *** jdbc2/Connection.java Sat Feb 16 00:33:29 2002
> ---
> /home/paulb/Development/pgsql/src/interfaces/jdbc/org/postgresql/jdbc2/Connection.java
> Tue Jan 15 01:55:13 2002
> ***************
> *** 135,145 ****
>
> public java.sql.CallableStatement
> prepareCall(String sql, int resultSetType, int
> resultSetConcurrency) throws SQLException
> {
> ! // throw new
> PSQLException("postgresql.con.call");
> ! CallableStatement s = new
> CallableStatement(this,sql);
> ! s.setResultSetType(resultSetType);
> ! s.setResultSetConcurrency(resultSetConcurrency);
> ! return s;
> }
>
> /*
> --- 135,145 ----
>
> public java.sql.CallableStatement
> prepareCall(String sql, int resultSetType, int
> resultSetConcurrency) throws SQLException
> {
> ! throw new PSQLException("postgresql.con.call");
> ! //CallableStatement s = new
> CallableStatement(this,sql);
> ! //s.setResultSetType(resultSetType);
> ! //s.setResultSetConcurrency(resultSetConcurrency);
> ! //return s;
> }
>
> /*
> ***
> /home/paulb/postgresql-7.2/src/interfaces/jdbc/org/postgresql/jdbc2/PreparedStatement.java
> Thu Feb 21 16:11:28 2002
> ---
> /home/paulb/Development/pgsql/src/interfaces/jdbc/org/postgresql/jdbc2/PreparedStatement.java
> Tue Jan 15 02:37:33 2002
> ***************
> *** 46,51 ****
> --- 46,54 ----
>
> /*
> * Constructor for the PreparedStatement class.
> + * Split the SQL statement into segments -
> separated by the arguments.
> + * When we rebuild the thing with the arguments, we
> can substitute the
> + * args and join the whole thing together.
> *
> * @param conn the instanatiating connection
> * @param sql the SQL statement with ? for IN
> markers
> ***************
> *** 53,88 ****
> */
> public PreparedStatement(Connection connection,
> String sql) throws SQLException
> {
> - this (connection, sql, true); // need to parse
> - }
> -
> - /*
> - * Constructor for the PreparedStatement class.
> - *
> - * @param conn the instanatiating connection
> - * @param sql the SQL statement with ? for IN
> markers
> - * @param needsParsing if a descendant (aka
> CallableStmt will do it's own parse)
> - * @exception SQLException if something bad occurs
> - */
> - protected PreparedStatement(Connection connection,
> String sql, boolean needsParsing) throws SQLException
> - {
> super(connection);
> - this.connection = connection;
> - this.sql = sql;
> - if (needsParsing)
> - parseSqlStmt ();
> - }
>
> - /**
> - * Split the SQL statement into segments -
> separated by the arguments.
> - * When we rebuild the thing with the arguments, we
> can substitute the
> - * args and join the whole thing together.
> - */
> - protected void parseSqlStmt () throws SQLException
> {
> Vector v = new Vector();
> boolean inQuotes = false;
> int lastParmEnd = 0, i;
>
> for (i = 0; i < sql.length(); ++i)
> {
> int c = sql.charAt(i);
> --- 56,70 ----
> */
> public PreparedStatement(Connection connection,
> String sql) throws SQLException
> {
> super(connection);
>
> Vector v = new Vector();
> boolean inQuotes = false;
> int lastParmEnd = 0, i;
>
> + this.sql = sql;
> + this.connection = connection;
> +
> for (i = 0; i < sql.length(); ++i)
> {
> int c = sql.charAt(i);
> ***************
> *** 136,142 ****
> * This is identical to toString() except it throws
> an exception if a
> * parameter is unused.
> */
> ! protected synchronized String compileQuery()
> throws SQLException
> {
> sbuf.setLength(0);
> --- 118,124 ----
> * This is identical to toString() except it throws
> an exception if a
> * parameter is unused.
> */
> ! private synchronized String compileQuery()
> throws SQLException
> {
> sbuf.setLength(0);
> ***************
> *** 832,838 ****
> * @param s a string to be stored
> * @exception SQLException if something goes wrong
> */
> ! protected void set(int paramIndex, String s) throws
> SQLException
> {
> if (paramIndex < 1 || paramIndex >
> inStrings.length)
> throw new PSQLException("postgresql.prep.range");
> --- 814,820 ----
> * @param s a string to be stored
> * @exception SQLException if something goes wrong
> */
> ! private void set(int paramIndex, String s) throws
> SQLException
> {
> if (paramIndex < 1 || paramIndex >
> inStrings.length)
> throw new PSQLException("postgresql.prep.range");
>
> *** errors.properties Thu Feb 21 14:38:35 2002
> ---
> /home/paulb/Development/pgsql/src/interfaces/jdbc/org/postgresql/errors.properties
> Wed Sep 5 23:03:37 2001
> ***************
> *** 72,85 ****
> postgresql.unusual:Something unusual has occured to
> cause the driver to fail. Please report this
> exception: {0}
> postgresql.unimplemented:This method is not yet
> implemented.
> postgresql.unexpected:An unexpected result was
> returned by a query.
> -
> - # proposed changes for CallableStatements
> - postgresql.call.noreturntype:A CallableStatement
> Function was declared but no call to
> 'registerOutParameter (1, <some_type>)' was made.
> - postgresql.call.noinout:PostgreSQL only supports
> function return value [@ 1] (no OUT or INOUT
> arguments)
> - postgresql.call.procasfunc:This Statement [{0}]
> defines a procedure call (needs ?= call <stmt> to be
> considered a function.
> - postgresql.call.malformed:Malformed stmt [{0}] usage
> : {1}
> - postgresql.call.funcover:Cannot execute Query a call
> to setXXX (1, ..) was made where argument 1 is the
> return value of a function.
> - postgresql.call.wrongget:Parameter of type {0} was
> registered but call to get{1} (sqltype={2}) was made.
> - postgresql.call.noreturnval:A CallableStatement
> Function was executed with nothing returned.
> - postgresql.call.wrongrtntype:A CallableStatement
> Function was executed and the return was of type ({0})
> however type={1} was registered.
> -
> --- 72,74 ----
> *** test/JDBC2Tests.java Wed Feb 20 16:26:46 2002
> ---
> /home/paulb/Development/pgsql/src/interfaces/jdbc/org/postgresql/test/JDBC2Tests.java
> Mon Nov 19 17:33:39 2001
> ***************
> *** 227,235 ****
> // Fastpath/LargeObject
> suite.addTestSuite(BlobTest.class);
>
> - //Callable Statement
> - suite.addTestSuite(CallableStmtTest.class);
> -
> // That's all folks
> return suite;
> }
> --- 227,232 ----
> ** new class
> test/jdbc2/CallableStmtTest.java
> package org.postgresql.test.jdbc2;
>
> import org.postgresql.test.JDBC2Tests;
> import junit.framework.TestCase;
> import java.io.*;
> import java.sql.*;
>
> /*
> * CallableStatement tests.
> * @author Paul Bethe
> */
> public class CallableStmtTest extends TestCase
> {
> private Connection con;
>
> public CallableStmtTest (String name)
> {
> super(name);
> }
>
> protected void setUp() throws Exception
> {
> con = JDBC2Tests.openDB();
> Statement stmt = con.createStatement ();
> stmt.execute ("CREATE OR REPLACE FUNCTION
> testspg__getString (varchar) " +
> "RETURNS varchar AS ' DECLARE inString alias
> for $1; begin "+
> "return ''bob''; end; ' LANGUAGE 'plpgsql';");
> stmt.execute ("CREATE OR REPLACE FUNCTION
> testspg__getDouble (float) " +
> "RETURNS float AS ' DECLARE inString alias for
> $1; begin " +
> "return 42.42; end; ' LANGUAGE 'plpgsql';");
> stmt.execute ("CREATE OR REPLACE FUNCTION
> testspg__getInt (int) RETURNS int " +
> " AS 'DECLARE inString alias for $1; begin " +
> "return 42; end;' LANGUAGE 'plpgsql';");
> stmt.execute ("CREATE OR REPLACE FUNCTION
> testspg__getNumeric (numeric) " +
> "RETURNS numeric AS ' DECLARE inString alias
> for $1; " +
> "begin return 42; end; ' LANGUAGE 'plpgsql';");
> stmt.close ();
> }
>
> protected void tearDown() throws Exception
> {
> Statement stmt = con.createStatement ();
> stmt.execute ("drop FUNCTION testspg__getString
> (varchar);");
> stmt.execute ("drop FUNCTION testspg__getDouble
> (float);");
> stmt.execute ("drop FUNCTION testspg__getInt
> (int);");
> stmt.execute ("drop FUNCTION testspg__getNumeric
> (numeric);");
> JDBC2Tests.closeDB(con);
> }
>
>
> final String func = "{ ? = call ";
> final String pkgName = "testspg__";
> // protected void runTest () throws Throwable {
> //testGetString ();
> //}
>
> public void testGetDouble () throws Throwable {
> // System.out.println ("Testing CallableStmt
> Types.DOUBLE");
> CallableStatement call = con.prepareCall (func +
> pkgName + "getDouble (?) }");
> call.setDouble (2, (double)3.04);
> call.registerOutParameter (1, Types.DOUBLE);
> call.execute ();
> double result = call.getDouble (1);
> assertTrue ("correct return from getString ()",
> result == 42.42);
> }
>
> public void testGetInt () throws Throwable {
> // System.out.println ("Testing CallableStmt
> Types.INTEGER");
> CallableStatement call = con.prepareCall (func +
> pkgName + "getInt (?) }");
> call.setInt (2, 4);
> call.registerOutParameter (1, Types.INTEGER);
> call.execute ();
> int result = call.getInt (1);
> assertTrue ("correct return from getString ()",
> result == 42);
> }
>
> public void testGetNumeric () throws Throwable {
> // System.out.println ("Testing CallableStmt
> Types.NUMERIC");
> CallableStatement call = con.prepareCall (func +
> pkgName + "getNumeric (?) }");
> call.setBigDecimal (2, new java.math.BigDecimal(4));
> call.registerOutParameter (1, Types.NUMERIC);
> call.execute ();
> java.math.BigDecimal result = call.getBigDecimal
> (1);
> assertTrue ("correct return from getString ()",
> result.equals (new java.math.BigDecimal(42)));
> }
>
> public void testGetString () throws Throwable {
> // System.out.println ("Testing CallableStmt
> Types.VARCHAR");
> CallableStatement call = con.prepareCall (func +
> pkgName + "getString (?) }");
> call.setString (2, "foo");
> call.registerOutParameter (1, Types.VARCHAR);
> call.execute ();
> String result = call.getString (1);
> assertTrue ("correct return from getString ()",
> result.equals ("bob"));
>
> }
>
> }
>
>
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--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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