diff options
Diffstat (limited to 'sqlite-jdbc/src/main/java/SQLite/JDBC2y/JDBCResultSetMetaData.java')
| -rw-r--r-- | sqlite-jdbc/src/main/java/SQLite/JDBC2y/JDBCResultSetMetaData.java | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/sqlite-jdbc/src/main/java/SQLite/JDBC2y/JDBCResultSetMetaData.java b/sqlite-jdbc/src/main/java/SQLite/JDBC2y/JDBCResultSetMetaData.java new file mode 100644 index 0000000..934ca78 --- /dev/null +++ b/sqlite-jdbc/src/main/java/SQLite/JDBC2y/JDBCResultSetMetaData.java @@ -0,0 +1,212 @@ +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"); + } +} |