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java.lang.Objectorg.firebirdsql.jdbc.FBParameterMetaData
public class FBParameterMetaData
Describe class FBParameterMetaData
here.
Field Summary |
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Fields inherited from interface org.firebirdsql.jdbc.FirebirdParameterMetaData |
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parameterModeIn, parameterModeInOut, parameterModeOut, parameterModeUnknown, parameterNoNulls, parameterNullable, parameterNullableUnknown |
Constructor Summary | |
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protected |
FBParameterMetaData(XSQLVAR[] xsqlvars,
org.firebirdsql.gds.impl.GDSHelper connection)
Creates a new FBParameterMetaData instance. |
Method Summary | ||
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java.lang.String |
getParameterClassName(int parameter)
Retrieves the fully-qualified name of the Java class whose instances should be passed to the method PreparedStatement.setObject . |
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int |
getParameterCount()
Retrieves the number of parameters in the PreparedStatement
object for which this ParameterMetaData object contains
information. |
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int |
getParameterMode(int param)
Retrieves the designated parameter's mode. |
|
int |
getParameterType(int parameter)
Retrieves the designated parameter's SQL type. |
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java.lang.String |
getParameterTypeName(int parameter)
Retrieves the designated parameter's database-specific type name. |
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int |
getPrecision(int parameter)
Retrieves the designated parameter's number of decimal digits. |
|
int |
getScale(int parameter)
Retrieves the designated parameter's number of digits to right of the decimal point. |
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int |
isNullable(int parameter)
Retrieves whether null values are allowed in the designated parameter. |
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boolean |
isSigned(int parameter)
Retrieves whether values for the designated parameter can be signed numbers. |
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boolean |
isWrapperFor(java.lang.Class<?> iface)
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|
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unwrap(java.lang.Class<T> iface)
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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protected FBParameterMetaData(XSQLVAR[] xsqlvars, org.firebirdsql.gds.impl.GDSHelper connection) throws java.sql.SQLException
FBParameterMetaData
instance.
xsqlvars
- a XSQLVAR[]
valueconnection
- a AbstractConnection
value
java.sql.SQLException
- if an error occursMethod Detail |
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public int getParameterCount()
PreparedStatement
object for which this ParameterMetaData
object contains
information.
getParameterCount
in interface java.sql.ParameterMetaData
getParameterCount
in interface FirebirdParameterMetaData
java.sql.SQLException
- if a database access error occurspublic int isNullable(int parameter) throws java.sql.SQLException
isNullable
in interface java.sql.ParameterMetaData
isNullable
in interface FirebirdParameterMetaData
parameter
- the first parameter is 1, the second is 2, ...
ParameterMetaData.parameterNoNulls
,
ParameterMetaData.parameterNullable
, or
ParameterMetaData.parameterNullableUnknown
java.sql.SQLException
- if a database access error occurspublic boolean isSigned(int parameter) throws java.sql.SQLException
isSigned
in interface java.sql.ParameterMetaData
isSigned
in interface FirebirdParameterMetaData
parameter
- the first parameter is 1, the second is 2, ...
true
if so; false
otherwise
java.sql.SQLException
- if a database access error occurspublic int getPrecision(int parameter) throws java.sql.SQLException
getPrecision
in interface java.sql.ParameterMetaData
getPrecision
in interface FirebirdParameterMetaData
parameter
- the first parameter is 1, the second is 2, ...
java.sql.SQLException
- if a database access error occurspublic int getScale(int parameter) throws java.sql.SQLException
getScale
in interface java.sql.ParameterMetaData
getScale
in interface FirebirdParameterMetaData
parameter
- the first parameter is 1, the second is 2, ...
java.sql.SQLException
- if a database access error occurspublic int getParameterType(int parameter) throws java.sql.SQLException
getParameterType
in interface java.sql.ParameterMetaData
getParameterType
in interface FirebirdParameterMetaData
parameter
- the first parameter is 1, the second is 2, ...
java.sql.Types
java.sql.SQLException
- if a database access error occursTypes
public java.lang.String getParameterTypeName(int parameter) throws java.sql.SQLException
getParameterTypeName
in interface java.sql.ParameterMetaData
getParameterTypeName
in interface FirebirdParameterMetaData
parameter
- the first parameter is 1, the second is 2, ...
java.sql.SQLException
- if a database access error occurspublic java.lang.String getParameterClassName(int parameter) throws java.sql.SQLException
PreparedStatement.setObject
.
getParameterClassName
in interface java.sql.ParameterMetaData
getParameterClassName
in interface FirebirdParameterMetaData
parameter
- the first parameter is 1, the second is 2, ...
PreparedStatement.setObject
to set the value
in the specified parameter. This is the class name used
for custom mapping.
java.sql.SQLException
- if a database access error occurspublic int getParameterMode(int param) throws java.sql.SQLException
getParameterMode
in interface java.sql.ParameterMetaData
getParameterMode
in interface FirebirdParameterMetaData
param
- the first parameter is 1, the second is 2, ...
ParameterMetaData.parameterModeIn
,
ParameterMetaData.parameterModeOut
, or
ParameterMetaData.parameterModeInOut
ParameterMetaData.parameterModeUnknown
.
java.sql.SQLException
- if a database access error occurspublic boolean isWrapperFor(java.lang.Class<?> iface) throws java.sql.SQLException
isWrapperFor
in interface java.sql.Wrapper
java.sql.SQLException
public <T> T unwrap(java.lang.Class<T> iface) throws java.sql.SQLException
unwrap
in interface java.sql.Wrapper
java.sql.SQLException
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