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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Tue Oct 06 18:12:05 PDT 1998 --><TITLE>: Class RowSetMetaDataImpl</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" ID="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="package-summary.html"><FONT ID="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" ID="NavBarCell1Rev"> <FONT ID="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="package-tree.html"><FONT ID="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A 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VALIGN="top" ID="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.sql</FONT><BR>Class RowSetMetaDataImpl</H2><PRE>java.lang.Object | +--<B>javax.sql.RowSetMetaDataImpl</B></PRE><HR><DL><DT>public class <B>RowSetMetaDataImpl</B><DT>extends java.lang.Object<DT>implements <A HREF="../../javax/sql/RowSetMetaData.html">RowSetMetaData</A></DL><P>The RowSetMetaDataImpl class provides the default implementation of the RowSetMetaData interface.<P><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" ID="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#RowSetMetaDataImpl()">RowSetMetaDataImpl</A></B>()</CODE><BR> Construct a RowSetMetaDataImpl object.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" ID="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getCatalogName(int)">getCatalogName</A></B>(int column)</CODE><BR> What's a column's table's catalog name?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getColumnClassName(int)">getColumnClassName</A></B>(int column)</CODE><BR> </TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getColumnCount()">getColumnCount</A></B>()</CODE><BR> What's the number of columns in the ResultSet?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getColumnDisplaySize(int)">getColumnDisplaySize</A></B>(int column)</CODE><BR> What's the column's normal max width in chars?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getColumnLabel(int)">getColumnLabel</A></B>(int column)</CODE><BR> What's the suggested column title for use in printouts and displays?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getColumnName(int)">getColumnName</A></B>(int column)</CODE><BR> What's a column's name?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getColumnType(int)">getColumnType</A></B>(int column)</CODE><BR> What's a column's SQL type?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getColumnTypeName(int)">getColumnTypeName</A></B>(int column)</CODE><BR> What's a column's data source specific type name?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getPrecision(int)">getPrecision</A></B>(int column)</CODE><BR> What's a column's number of decimal digits?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getScale(int)">getScale</A></B>(int column)</CODE><BR> What's a column's number of digits to right of the decimal point?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getSchemaName(int)">getSchemaName</A></B>(int column)</CODE><BR> What's a column's table's schema?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#getTableName(int)">getTableName</A></B>(int column)</CODE><BR> What's a column's table name?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#isAutoIncrement(int)">isAutoIncrement</A></B>(int column)</CODE><BR> Is the column automatically numbered, thus read-only?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#isCaseSensitive(int)">isCaseSensitive</A></B>(int column)</CODE><BR> Does a column's case matter?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#isCurrency(int)">isCurrency</A></B>(int column)</CODE><BR> Is the column a cash value?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#isDefinitelyWritable(int)">isDefinitelyWritable</A></B>(int column)</CODE><BR> Will a write on the column definitely succeed?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#isNullable(int)">isNullable</A></B>(int column)</CODE><BR> Can you put a NULL in this column?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#isReadOnly(int)">isReadOnly</A></B>(int column)</CODE><BR> Is a column definitely not writable?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#isSearchable(int)">isSearchable</A></B>(int column)</CODE><BR> Can the column be used in a where clause?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#isSigned(int)">isSigned</A></B>(int column)</CODE><BR> Is the column a signed number?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#isWritable(int)">isWritable</A></B>(int column)</CODE><BR> Is it possible for a write on the column to succeed?</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#setAutoIncrement(int, boolean)">setAutoIncrement</A></B>(int columnIndex, boolean property)</CODE><BR> Specify whether the is column automatically numbered, thus read-only.</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#setCaseSensitive(int, boolean)">setCaseSensitive</A></B>(int columnIndex, boolean property)</CODE><BR> Specify whether the column is case sensitive.</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#setCatalogName(int, java.lang.String)">setCatalogName</A></B>(int columnIndex, java.lang.String catalogName)</CODE><BR> Specify the column's table's catalog name, if any.</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#setColumnCount(int)">setColumnCount</A></B>(int columnCount)</CODE><BR> Set the number of columns in the RowSet.</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#setColumnDisplaySize(int, int)">setColumnDisplaySize</A></B>(int columnIndex, int size)</CODE><BR> Specify the column's normal max width in chars.</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#setColumnLabel(int, java.lang.String)">setColumnLabel</A></B>(int columnIndex, java.lang.String label)</CODE><BR> Specify the suggested column title for use in printouts and displays, if any.</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/RowSetMetaDataImpl.html#setColumnName(int, java.lang.String)">setColumnName</A></B>(int columnIndex, java.lang.String columnName)</CODE>⌨️ 快捷键说明
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