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mirror of https://github.com/postgres/postgres.git synced 2025-08-28 18:48:04 +03:00

pgjindent jdbc files. First time jdbc files were formatted.

This commit is contained in:
Bruce Momjian
2001-10-25 06:00:05 +00:00
parent b81844b173
commit d2e27b0674
85 changed files with 23804 additions and 22165 deletions

View File

@@ -23,13 +23,13 @@ import org.postgresql.util.*;
* parameter. For instance, if the IN parameter has SQL type Integer, then
* setInt should be used.
*
* <p>If arbitrary parameter type conversions are required, then the setObject
* <p>If arbitrary parameter type conversions are required, then the setObject
* method should be used with a target SQL type.
*
* @see ResultSet
* @see java.sql.PreparedStatement
*/
public class PreparedStatement extends Statement implements java.sql.PreparedStatement
public class PreparedStatement extends Statement implements java.sql.PreparedStatement
{
String sql;
String[] templateStrings;
@@ -82,7 +82,7 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
* A Prepared SQL query is executed and its ResultSet is returned
*
* @return a ResultSet that contains the data produced by the
* * query - never null
* * query - never null
* @exception SQLException if a database access error occurs
*/
public java.sql.ResultSet executeQuery() throws SQLException
@@ -93,12 +93,12 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
for (i = 0 ; i < inStrings.length ; ++i)
{
if (inStrings[i] == null)
throw new PSQLException("postgresql.prep.param",new Integer(i + 1));
throw new PSQLException("postgresql.prep.param", new Integer(i + 1));
s.append (templateStrings[i]);
s.append (inStrings[i]);
}
s.append(templateStrings[inStrings.length]);
return super.executeQuery(s.toString()); // in Statement class
return super.executeQuery(s.toString()); // in Statement class
}
/**
@@ -107,7 +107,7 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
* be executed.
*
* @return either the row count for INSERT, UPDATE or DELETE; or
* * 0 for SQL statements that return nothing.
* * 0 for SQL statements that return nothing.
* @exception SQLException if a database access error occurs
*/
public int executeUpdate() throws SQLException
@@ -118,13 +118,13 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
for (i = 0 ; i < inStrings.length ; ++i)
{
if (inStrings[i] == null)
throw new PSQLException("postgresql.prep.param",new Integer(i + 1));
throw new PSQLException("postgresql.prep.param", new Integer(i + 1));
s.append (templateStrings[i]);
s.append (inStrings[i]);
}
s.append(templateStrings[inStrings.length]);
return super.executeUpdate(s.toString()); // in Statement class
}
return super.executeUpdate(s.toString()); // in Statement class
}
/**
* Set a parameter to SQL NULL
@@ -220,7 +220,7 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
}
/**
* Set a parameter to a Java double value. The driver converts this
* Set a parameter to a Java double value. The driver converts this
* to a SQL DOUBLE value when it sends it to the database
*
* @param parameterIndex the first parameter is 1...
@@ -247,7 +247,7 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
}
/**
* Set a parameter to a Java String value. The driver converts this
* Set a parameter to a Java String value. The driver converts this
* to a SQL VARCHAR or LONGVARCHAR value (depending on the arguments
* size relative to the driver's limits on VARCHARs) when it sends it
* to the database.
@@ -258,59 +258,66 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
*/
public void setString(int parameterIndex, String x) throws SQLException
{
// if the passed string is null, then set this column to null
if(x==null)
setNull(parameterIndex,Types.OTHER);
else {
StringBuffer b = new StringBuffer();
int i;
b.append('\'');
for (i = 0 ; i < x.length() ; ++i)
{
char c = x.charAt(i);
if (c == '\\' || c == '\'')
b.append((char)'\\');
b.append(c);
}
b.append('\'');
set(parameterIndex, b.toString());
}
// if the passed string is null, then set this column to null
if (x == null)
setNull(parameterIndex, Types.OTHER);
else
{
StringBuffer b = new StringBuffer();
int i;
b.append('\'');
for (i = 0 ; i < x.length() ; ++i)
{
char c = x.charAt(i);
if (c == '\\' || c == '\'')
b.append((char)'\\');
b.append(c);
}
b.append('\'');
set(parameterIndex, b.toString());
}
}
/**
* Set a parameter to a Java array of bytes. The driver converts this
* to a SQL VARBINARY or LONGVARBINARY (depending on the argument's
* size relative to the driver's limits on VARBINARYs) when it sends
* it to the database.
*
* <p>Implementation note:
* <br>With org.postgresql, this creates a large object, and stores the
* objects oid in this column.
*
* @param parameterIndex the first parameter is 1...
* @param x the parameter value
* @exception SQLException if a database access error occurs
*/
public void setBytes(int parameterIndex, byte x[]) throws SQLException
{
if (connection.haveMinimumCompatibleVersion("7.2")) {
//Version 7.2 supports the bytea datatype for byte arrays
if(null == x){
setNull(parameterIndex,Types.OTHER);
} else {
setString(parameterIndex, PGbytea.toPGString(x));
}
} else {
//Version 7.1 and earlier support done as LargeObjects
LargeObjectManager lom = connection.getLargeObjectAPI();
int oid = lom.create();
LargeObject lob = lom.open(oid);
lob.write(x);
lob.close();
setInt(parameterIndex,oid);
}
}
/**
* Set a parameter to a Java array of bytes. The driver converts this
* to a SQL VARBINARY or LONGVARBINARY (depending on the argument's
* size relative to the driver's limits on VARBINARYs) when it sends
* it to the database.
*
* <p>Implementation note:
* <br>With org.postgresql, this creates a large object, and stores the
* objects oid in this column.
*
* @param parameterIndex the first parameter is 1...
* @param x the parameter value
* @exception SQLException if a database access error occurs
*/
public void setBytes(int parameterIndex, byte x[]) throws SQLException
{
if (connection.haveMinimumCompatibleVersion("7.2"))
{
//Version 7.2 supports the bytea datatype for byte arrays
if (null == x)
{
setNull(parameterIndex, Types.OTHER);
}
else
{
setString(parameterIndex, PGbytea.toPGString(x));
}
}
else
{
//Version 7.1 and earlier support done as LargeObjects
LargeObjectManager lom = connection.getLargeObjectAPI();
int oid = lom.create();
LargeObject lob = lom.open(oid);
lob.write(x);
lob.close();
setInt(parameterIndex, oid);
}
}
/**
* Set a parameter to a java.sql.Date value. The driver converts this
@@ -322,24 +329,27 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
*/
public void setDate(int parameterIndex, java.sql.Date x) throws SQLException
{
if (null == x){
setNull(parameterIndex,Types.OTHER);
}else{
SimpleDateFormat df = new SimpleDateFormat("''yyyy-MM-dd''");
set(parameterIndex, df.format(x));
}
// The above is how the date should be handled.
//
// However, in JDK's prior to 1.1.6 (confirmed with the
// Linux jdk1.1.3 and the Win95 JRE1.1.5), SimpleDateFormat seems
// to format a date to the previous day. So the fix is to add a day
// before formatting.
//
// PS: 86400000 is one day
//
//set(parameterIndex, df.format(new java.util.Date(x.getTime()+86400000)));
if (null == x)
{
setNull(parameterIndex, Types.OTHER);
}
else
{
SimpleDateFormat df = new SimpleDateFormat("''yyyy-MM-dd''");
set(parameterIndex, df.format(x));
}
// The above is how the date should be handled.
//
// However, in JDK's prior to 1.1.6 (confirmed with the
// Linux jdk1.1.3 and the Win95 JRE1.1.5), SimpleDateFormat seems
// to format a date to the previous day. So the fix is to add a day
// before formatting.
//
// PS: 86400000 is one day
//
//set(parameterIndex, df.format(new java.util.Date(x.getTime()+86400000)));
}
/**
* Set a parameter to a java.sql.Time value. The driver converts
* this to a SQL TIME value when it sends it to the database.
@@ -350,11 +360,14 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
*/
public void setTime(int parameterIndex, Time x) throws SQLException
{
if (null == x){
setNull(parameterIndex,Types.OTHER);
}else{
set(parameterIndex, "'" + x.toString() + "'");
}
if (null == x)
{
setNull(parameterIndex, Types.OTHER);
}
else
{
set(parameterIndex, "'" + x.toString() + "'");
}
}
/**
@@ -366,16 +379,19 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
* @exception SQLException if a database access error occurs
*/
public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException
{
if (null == x){
setNull(parameterIndex,Types.OTHER);
}else{
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
df.setTimeZone(TimeZone.getTimeZone("GMT"));
StringBuffer strBuf = new StringBuffer("'");
strBuf.append(df.format(x)).append('.').append(x.getNanos()/10000000).append("+00'");
set(parameterIndex, strBuf.toString());
}
{
if (null == x)
{
setNull(parameterIndex, Types.OTHER);
}
else
{
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
df.setTimeZone(TimeZone.getTimeZone("GMT"));
StringBuffer strBuf = new StringBuffer("'");
strBuf.append(df.format(x)).append('.').append(x.getNanos() / 10000000).append("+00'");
set(parameterIndex, strBuf.toString());
}
}
/**
@@ -396,29 +412,37 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
*/
public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException
{
if (connection.haveMinimumCompatibleVersion("7.2")) {
//Version 7.2 supports AsciiStream for all PG text types (char, varchar, text)
//As the spec/javadoc for this method indicate this is to be used for
//large String values (i.e. LONGVARCHAR) PG doesn't have a separate
//long varchar datatype, but with toast all text datatypes are capable of
//handling very large values. Thus the implementation ends up calling
//setString() since there is no current way to stream the value to the server
try {
InputStreamReader l_inStream = new InputStreamReader(x, "ASCII");
char[] l_chars = new char[length];
int l_charsRead = l_inStream.read(l_chars,0,length);
setString(parameterIndex, new String(l_chars,0,l_charsRead));
} catch (UnsupportedEncodingException l_uee) {
throw new PSQLException("postgresql.unusual",l_uee);
} catch (IOException l_ioe) {
throw new PSQLException("postgresql.unusual",l_ioe);
}
} else {
//Version 7.1 supported only LargeObjects by treating everything
//as binary data
setBinaryStream(parameterIndex, x, length);
if (connection.haveMinimumCompatibleVersion("7.2"))
{
//Version 7.2 supports AsciiStream for all PG text types (char, varchar, text)
//As the spec/javadoc for this method indicate this is to be used for
//large String values (i.e. LONGVARCHAR) PG doesn't have a separate
//long varchar datatype, but with toast all text datatypes are capable of
//handling very large values. Thus the implementation ends up calling
//setString() since there is no current way to stream the value to the server
try
{
InputStreamReader l_inStream = new InputStreamReader(x, "ASCII");
char[] l_chars = new char[length];
int l_charsRead = l_inStream.read(l_chars, 0, length);
setString(parameterIndex, new String(l_chars, 0, l_charsRead));
}
catch (UnsupportedEncodingException l_uee)
{
throw new PSQLException("postgresql.unusual", l_uee);
}
catch (IOException l_ioe)
{
throw new PSQLException("postgresql.unusual", l_ioe);
}
}
else
{
//Version 7.1 supported only LargeObjects by treating everything
//as binary data
setBinaryStream(parameterIndex, x, length);
}
}
}
/**
* When a very large Unicode value is input to a LONGVARCHAR parameter,
@@ -437,35 +461,43 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
*/
public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException
{
if (connection.haveMinimumCompatibleVersion("7.2")) {
//Version 7.2 supports AsciiStream for all PG text types (char, varchar, text)
//As the spec/javadoc for this method indicate this is to be used for
//large String values (i.e. LONGVARCHAR) PG doesn't have a separate
//long varchar datatype, but with toast all text datatypes are capable of
//handling very large values. Thus the implementation ends up calling
//setString() since there is no current way to stream the value to the server
try {
InputStreamReader l_inStream = new InputStreamReader(x, "UTF-8");
char[] l_chars = new char[length];
int l_charsRead = l_inStream.read(l_chars,0,length);
setString(parameterIndex, new String(l_chars,0,l_charsRead));
} catch (UnsupportedEncodingException l_uee) {
throw new PSQLException("postgresql.unusual",l_uee);
} catch (IOException l_ioe) {
throw new PSQLException("postgresql.unusual",l_ioe);
}
} else {
//Version 7.1 supported only LargeObjects by treating everything
//as binary data
setBinaryStream(parameterIndex, x, length);
if (connection.haveMinimumCompatibleVersion("7.2"))
{
//Version 7.2 supports AsciiStream for all PG text types (char, varchar, text)
//As the spec/javadoc for this method indicate this is to be used for
//large String values (i.e. LONGVARCHAR) PG doesn't have a separate
//long varchar datatype, but with toast all text datatypes are capable of
//handling very large values. Thus the implementation ends up calling
//setString() since there is no current way to stream the value to the server
try
{
InputStreamReader l_inStream = new InputStreamReader(x, "UTF-8");
char[] l_chars = new char[length];
int l_charsRead = l_inStream.read(l_chars, 0, length);
setString(parameterIndex, new String(l_chars, 0, l_charsRead));
}
catch (UnsupportedEncodingException l_uee)
{
throw new PSQLException("postgresql.unusual", l_uee);
}
catch (IOException l_ioe)
{
throw new PSQLException("postgresql.unusual", l_ioe);
}
}
else
{
//Version 7.1 supported only LargeObjects by treating everything
//as binary data
setBinaryStream(parameterIndex, x, length);
}
}
}
/**
* When a very large binary value is input to a LONGVARBINARY parameter,
* it may be more practical to send it via a java.io.InputStream.
* JDBC will read the data from the stream as needed, until it reaches
* end-of-file.
* end-of-file.
*
* <P><B>Note:</B> This stream object can either be a standard Java
* stream object or your own subclass that implements the standard
@@ -477,60 +509,73 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
*/
public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException
{
if (connection.haveMinimumCompatibleVersion("7.2")) {
//Version 7.2 supports BinaryStream for for the PG bytea type
//As the spec/javadoc for this method indicate this is to be used for
//large binary values (i.e. LONGVARBINARY) PG doesn't have a separate
//long binary datatype, but with toast the bytea datatype is capable of
//handling very large values. Thus the implementation ends up calling
//setBytes() since there is no current way to stream the value to the server
byte[] l_bytes = new byte[length];
int l_bytesRead;
try {
l_bytesRead = x.read(l_bytes,0,length);
} catch (IOException l_ioe) {
throw new PSQLException("postgresql.unusual",l_ioe);
}
if (l_bytesRead == length) {
setBytes(parameterIndex, l_bytes);
} else {
//the stream contained less data than they said
byte[] l_bytes2 = new byte[l_bytesRead];
System.arraycopy(l_bytes,0,l_bytes2,0,l_bytesRead);
setBytes(parameterIndex, l_bytes2);
}
} else {
//Version 7.1 only supported streams for LargeObjects
//but the jdbc spec indicates that streams should be
//available for LONGVARBINARY instead
LargeObjectManager lom = connection.getLargeObjectAPI();
int oid = lom.create();
LargeObject lob = lom.open(oid);
OutputStream los = lob.getOutputStream();
try {
// could be buffered, but then the OutputStream returned by LargeObject
// is buffered internally anyhow, so there would be no performance
// boost gained, if anything it would be worse!
int c=x.read();
int p=0;
while(c>-1 && p<length) {
los.write(c);
c=x.read();
p++;
}
los.close();
} catch(IOException se) {
throw new PSQLException("postgresql.unusual",se);
}
// lob is closed by the stream so don't call lob.close()
setInt(parameterIndex,oid);
}
if (connection.haveMinimumCompatibleVersion("7.2"))
{
//Version 7.2 supports BinaryStream for for the PG bytea type
//As the spec/javadoc for this method indicate this is to be used for
//large binary values (i.e. LONGVARBINARY) PG doesn't have a separate
//long binary datatype, but with toast the bytea datatype is capable of
//handling very large values. Thus the implementation ends up calling
//setBytes() since there is no current way to stream the value to the server
byte[] l_bytes = new byte[length];
int l_bytesRead;
try
{
l_bytesRead = x.read(l_bytes, 0, length);
}
catch (IOException l_ioe)
{
throw new PSQLException("postgresql.unusual", l_ioe);
}
if (l_bytesRead == length)
{
setBytes(parameterIndex, l_bytes);
}
else
{
//the stream contained less data than they said
byte[] l_bytes2 = new byte[l_bytesRead];
System.arraycopy(l_bytes, 0, l_bytes2, 0, l_bytesRead);
setBytes(parameterIndex, l_bytes2);
}
}
else
{
//Version 7.1 only supported streams for LargeObjects
//but the jdbc spec indicates that streams should be
//available for LONGVARBINARY instead
LargeObjectManager lom = connection.getLargeObjectAPI();
int oid = lom.create();
LargeObject lob = lom.open(oid);
OutputStream los = lob.getOutputStream();
try
{
// could be buffered, but then the OutputStream returned by LargeObject
// is buffered internally anyhow, so there would be no performance
// boost gained, if anything it would be worse!
int c = x.read();
int p = 0;
while (c > -1 && p < length)
{
los.write(c);
c = x.read();
p++;
}
los.close();
}
catch (IOException se)
{
throw new PSQLException("postgresql.unusual", se);
}
// lob is closed by the stream so don't call lob.close()
setInt(parameterIndex, oid);
}
}
/**
* In general, parameter values remain in force for repeated used of a
* Statement. Setting a parameter value automatically clears its
* previous value. However, in coms cases, it is useful to immediately
* previous value. However, in coms cases, it is useful to immediately
* release the resources used by the current parameter values; this
* can be done by calling clearParameters
*
@@ -559,62 +604,66 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
* @param x the object containing the input parameter value
* @param targetSqlType The SQL type to be send to the database
* @param scale For java.sql.Types.DECIMAL or java.sql.Types.NUMERIC
* * types this is the number of digits after the decimal. For
* * all other types this value will be ignored.
* * types this is the number of digits after the decimal. For
* * all other types this value will be ignored.
* @exception SQLException if a database access error occurs
*/
public void setObject(int parameterIndex, Object x, int targetSqlType, int scale) throws SQLException
{
if (x == null){
setNull(parameterIndex,Types.OTHER);
return;
if (x == null)
{
setNull(parameterIndex, Types.OTHER);
return ;
}
switch (targetSqlType)
{
case Types.TINYINT:
case Types.SMALLINT:
case Types.INTEGER:
case Types.BIGINT:
case Types.REAL:
case Types.FLOAT:
case Types.DOUBLE:
case Types.DECIMAL:
case Types.NUMERIC:
if (x instanceof Boolean)
set(parameterIndex, ((Boolean)x).booleanValue() ? "1" : "0");
else
set(parameterIndex, x.toString());
break;
case Types.CHAR:
case Types.VARCHAR:
case Types.LONGVARCHAR:
setString(parameterIndex, x.toString());
break;
case Types.DATE:
setDate(parameterIndex, (java.sql.Date)x);
break;
case Types.TIME:
setTime(parameterIndex, (Time)x);
break;
case Types.TIMESTAMP:
setTimestamp(parameterIndex, (Timestamp)x);
break;
case Types.BIT:
if (x instanceof Boolean) {
set(parameterIndex, ((Boolean)x).booleanValue() ? "TRUE" : "FALSE");
} else {
throw new PSQLException("postgresql.prep.type");
}
break;
case Types.BINARY:
case Types.VARBINARY:
setObject(parameterIndex,x);
break;
case Types.OTHER:
setString(parameterIndex, ((PGobject)x).getValue());
break;
default:
case Types.TINYINT:
case Types.SMALLINT:
case Types.INTEGER:
case Types.BIGINT:
case Types.REAL:
case Types.FLOAT:
case Types.DOUBLE:
case Types.DECIMAL:
case Types.NUMERIC:
if (x instanceof Boolean)
set(parameterIndex, ((Boolean)x).booleanValue() ? "1" : "0");
else
set(parameterIndex, x.toString());
break;
case Types.CHAR:
case Types.VARCHAR:
case Types.LONGVARCHAR:
setString(parameterIndex, x.toString());
break;
case Types.DATE:
setDate(parameterIndex, (java.sql.Date)x);
break;
case Types.TIME:
setTime(parameterIndex, (Time)x);
break;
case Types.TIMESTAMP:
setTimestamp(parameterIndex, (Timestamp)x);
break;
case Types.BIT:
if (x instanceof Boolean)
{
set(parameterIndex, ((Boolean)x).booleanValue() ? "TRUE" : "FALSE");
}
else
{
throw new PSQLException("postgresql.prep.type");
}
break;
case Types.BINARY:
case Types.VARBINARY:
setObject(parameterIndex, x);
break;
case Types.OTHER:
setString(parameterIndex, ((PGobject)x).getValue());
break;
default:
throw new PSQLException("postgresql.prep.type");
}
}
@@ -622,18 +671,19 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
{
setObject(parameterIndex, x, targetSqlType, 0);
}
/**
* This stores an Object into a parameter.
* <p>New for 6.4, if the object is not recognised, but it is
* Serializable, then the object is serialised using the
* org.postgresql.util.Serialize class.
*/
/**
* This stores an Object into a parameter.
* <p>New for 6.4, if the object is not recognised, but it is
* Serializable, then the object is serialised using the
* org.postgresql.util.Serialize class.
*/
public void setObject(int parameterIndex, Object x) throws SQLException
{
if (x == null){
setNull(parameterIndex,Types.OTHER);
return;
if (x == null)
{
setNull(parameterIndex, Types.OTHER);
return ;
}
if (x instanceof String)
setString(parameterIndex, (String)x);
@@ -667,11 +717,11 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
/**
* Some prepared statements return multiple results; the execute method
* handles these complex statements as well as the simpler form of
* handles these complex statements as well as the simpler form of
* statements handled by executeQuery and executeUpdate
*
* @return true if the next result is a ResultSet; false if it is an
* * update count or there are no more results
* * update count or there are no more results
* @exception SQLException if a database access error occurs
*/
public boolean execute() throws SQLException
@@ -682,19 +732,20 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
for (i = 0 ; i < inStrings.length ; ++i)
{
if (inStrings[i] == null)
throw new PSQLException("postgresql.prep.param",new Integer(i + 1));
throw new PSQLException("postgresql.prep.param", new Integer(i + 1));
s.append (templateStrings[i]);
s.append (inStrings[i]);
}
s.append(templateStrings[inStrings.length]);
return super.execute(s.toString()); // in Statement class
return super.execute(s.toString()); // in Statement class
}
/**
* Returns the SQL statement with the current template values
* substituted.
*/
public String toString() {
public String toString()
{
StringBuffer s = new StringBuffer();
int i;
@@ -709,14 +760,14 @@ public class PreparedStatement extends Statement implements java.sql.PreparedSta
s.append(templateStrings[inStrings.length]);
return s.toString();
}
// **************************************************************
// END OF PUBLIC INTERFACE
// END OF PUBLIC INTERFACE
// **************************************************************
/**
* There are a lot of setXXX classes which all basically do
* the same thing. We need a method which actually does the
* the same thing. We need a method which actually does the
* set for us.
*
* @param paramIndex the index into the inString