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package SQLite.JDBC2y;
import java.sql.*;
public class JDBCResultSetMetaData implements java.sql.ResultSetMetaData {
private JDBCResultSet r;
public JDBCResultSetMetaData(JDBCResultSet r) {
this.r = r;
}
public String getCatalogName(int column) throws java.sql.SQLException {
return null;
}
public String getColumnClassName(int column) throws java.sql.SQLException {
column--;
if (r != null && r.tr != null) {
if (column < 0 || column >= r.tr.ncolumns) {
return null;
}
if (r.tr instanceof TableResultX) {
switch (((TableResultX) r.tr).sql_type[column]) {
case Types.SMALLINT: return "java.lang.Short";
case Types.INTEGER: return "java.lang.Integer";
case Types.DOUBLE: return "java.lang.Double";
case Types.FLOAT: return "java.lang.Float";
case Types.BIGINT: return "java.lang.Long";
case Types.DATE: return "java.sql.Date";
case Types.TIME: return "java.sql.Time";
case Types.TIMESTAMP: return "java.sql.Timestamp";
case Types.BINARY:
case Types.VARBINARY: return "[B";
/* defaults to varchar below */
}
}
return "java.lang.String";
}
return null;
}
public int getColumnCount() throws java.sql.SQLException {
if (r != null && r.tr != null) {
return r.tr.ncolumns;
}
return 0;
}
public int getColumnDisplaySize(int column) throws java.sql.SQLException {
return 0;
}
public String getColumnLabel(int column) throws java.sql.SQLException {
column--;
String c = null;
if (r != null && r.tr != null) {
if (column < 0 || column >= r.tr.ncolumns) {
return c;
}
c = r.tr.column[column];
}
return c;
}
public String getColumnName(int column) throws java.sql.SQLException {
column--;
String c = null;
if (r != null && r.tr != null) {
if (column < 0 || column >= r.tr.ncolumns) {
return c;
}
c = r.tr.column[column];
if (c != null) {
int i = c.indexOf('.');
if (i > 0) {
return c.substring(i + 1);
}
}
}
return c;
}
public int getColumnType(int column) throws java.sql.SQLException {
column--;
if (r != null && r.tr != null) {
if (column >= 0 && column < r.tr.ncolumns) {
if (r.tr instanceof TableResultX) {
return ((TableResultX) r.tr).sql_type[column];
}
return Types.VARCHAR;
}
}
throw new SQLException("bad column index");
}
public String getColumnTypeName(int column) throws java.sql.SQLException {
column--;
if (r != null && r.tr != null) {
if (column >= 0 && column < r.tr.ncolumns) {
if (r.tr instanceof TableResultX) {
switch (((TableResultX) r.tr).sql_type[column]) {
case Types.SMALLINT: return "smallint";
case Types.INTEGER: return "integer";
case Types.DOUBLE: return "double";
case Types.FLOAT: return "float";
case Types.BIGINT: return "bigint";
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";
/* defaults to varchar below */
}
}
return "varchar";
}
}
throw new SQLException("bad column index");
}
public int getPrecision(int column) throws java.sql.SQLException {
return 0;
}
public int getScale(int column) throws java.sql.SQLException {
return 0;
}
public String getSchemaName(int column) throws java.sql.SQLException {
return null;
}
public String getTableName(int column) throws java.sql.SQLException {
column--;
String c = null;
if (r != null && r.tr != null) {
if (column < 0 || column >= r.tr.ncolumns) {
return c;
}
c = r.tr.column[column];
if (c != null) {
int i = c.indexOf('.');
if (i > 0) {
return c.substring(0, i);
}
c = null;
}
}
return c;
}
public boolean isAutoIncrement(int column) throws java.sql.SQLException {
return false;
}
public boolean isCaseSensitive(int column) throws java.sql.SQLException {
return false;
}
public boolean isCurrency(int column) throws java.sql.SQLException {
return false;
}
public boolean isDefinitelyWritable(int column)
throws java.sql.SQLException {
return true;
}
public int isNullable(int column) throws java.sql.SQLException {
return columnNullableUnknown;
}
public boolean isReadOnly(int column) throws java.sql.SQLException {
return false;
}
public boolean isSearchable(int column) throws java.sql.SQLException {
return true;
}
public boolean isSigned(int column) throws java.sql.SQLException {
return false;
}
public boolean isWritable(int column) throws java.sql.SQLException {
return true;
}
int findColByName(String columnName) throws java.sql.SQLException {
String c = null;
if (r != null && r.tr != null) {
for (int i = 0; i < r.tr.ncolumns; i++) {
c = r.tr.column[i];
if (c != null) {
if (c.compareToIgnoreCase(columnName) == 0) {
return i + 1;
}
int k = c.indexOf('.');
if (k > 0) {
c = c.substring(k + 1);
if (c.compareToIgnoreCase(columnName) == 0) {
return i + 1;
}
}
}
c = null;
}
}
throw new SQLException("column " + columnName + " not found");
}
}
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