List of usage examples for java.sql ParameterMetaData getParameterTypeName
String getParameterTypeName(int param) throws SQLException;
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getConnection(); Statement st = conn.createStatement(); st.executeUpdate("create table survey (id int,name varchar(30));"); String sql = "INSERT INTO survey (id) VALUES(?)"; PreparedStatement pstmt = conn.prepareStatement(sql); ParameterMetaData pmd = pstmt.getParameterMetaData(); int totalDigits = pmd.getPrecision(1); int digitsAfterDecimal = pmd.getScale(1); boolean b = pmd.isSigned(1); System.out.println("The first parameter "); System.out.println(" has precision " + totalDigits); System.out.println(" has scale " + digitsAfterDecimal); System.out.println(" may be a signed number " + b); int count = pmd.getParameterCount(); System.out.println("count is " + count); for (int i = 1; i <= count; i++) { int type = pmd.getParameterType(i); String typeName = pmd.getParameterTypeName(i); System.out.println("Parameter " + i + ":"); System.out.println(" type is " + type); System.out.println(" type name is " + typeName); }/*from ww w .jav a 2 s .com*/ st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getHSQLConnection(); Statement st = conn.createStatement(); st.executeUpdate("create table survey (id int,name varchar);"); st.executeUpdate("create view surveyView as (select * from survey);"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); String query = "select * from survey where id > ? and name = ?"; PreparedStatement pstmt = conn.prepareStatement(query); ParameterMetaData paramMetaData = pstmt.getParameterMetaData(); if (paramMetaData == null) { System.out.println("db vendor does NOT support ParameterMetaData"); } else {/*from www .j a v a 2s . c o m*/ System.out.println("db vendor supports ParameterMetaData"); // find out the number of dynamic parameters int paramCount = paramMetaData.getParameterCount(); System.out.println("paramCount=" + paramCount); System.out.println("-------------------"); for (int param = 1; param <= paramCount; param++) { System.out.println("param number=" + param); String paramTypeName = paramMetaData.getParameterTypeName(param); System.out.println("param SQL type name=" + paramTypeName); } } pstmt.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getHSQLConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("create table survey (id int,name varchar);"); st.executeUpdate("create view surveyView as (select * from survey);"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); PreparedStatement pstmt = null; ParameterMetaData paramMetaData = null; String query = "select * from survey where id > ? and name = ?"; pstmt = conn.prepareStatement(query); paramMetaData = pstmt.getParameterMetaData(); if (paramMetaData == null) { System.out.println("db vendor does NOT support ParameterMetaData"); } else {//w w w.j a v a 2s . co m System.out.println("db vendor supports ParameterMetaData"); // find out the number of dynamic parameters int paramCount = paramMetaData.getParameterCount(); System.out.println("paramCount=" + paramCount); System.out.println("-------------------"); for (int param = 1; param <= paramCount; param++) { System.out.println("param number=" + param); String paramTypeName = paramMetaData.getParameterTypeName(param); System.out.println("param SQL type name=" + paramTypeName); } } pstmt.close(); conn.close(); }
From source file:GetParamMetaData.java
public static void main(String args[]) { String url = "jdbc:mySubprotocol:myDataSource"; Connection con;//from w w w . ja va2 s.co m PreparedStatement pstmt; ParameterMetaData pmd; String sql = "UPDATE COFFEES SET SALES = ? " + "WHERE COF_NAME = ?"; try { Class.forName("myDriver.ClassName"); } catch (java.lang.ClassNotFoundException e) { System.err.print("ClassNotFoundException: "); System.err.println(e.getMessage()); } try { con = DriverManager.getConnection(url, "myLogin", "myPassword"); pstmt = con.prepareStatement(sql); pmd = pstmt.getParameterMetaData(); int totalDigits = pmd.getPrecision(1); int digitsAfterDecimal = pmd.getScale(1); boolean b = pmd.isSigned(1); System.out.println("The first parameter "); System.out.println(" has precision " + totalDigits); System.out.println(" has scale " + digitsAfterDecimal); System.out.println(" may be a signed number " + b); int count = pmd.getParameterCount(); System.out.println("count is " + count); for (int i = 1; i <= count; i++) { int type = pmd.getParameterType(i); String typeName = pmd.getParameterTypeName(i); System.out.println("Parameter " + i + ":"); System.out.println(" type is " + type); System.out.println(" type name is " + typeName); } pstmt.close(); con.close(); } catch (Exception e) { e.printStackTrace(); } }
From source file:com.alibaba.wasp.jdbc.TestPreparedStatement.java
public void testParameterMetaData() throws SQLException { PreparedStatement prep = conn.prepareStatement("SELECT ?, ?, ? FROM DUAL"); ParameterMetaData pm = prep.getParameterMetaData(); assertEquals("java.lang.String", pm.getParameterClassName(1)); assertEquals("VARCHAR", pm.getParameterTypeName(1)); assertEquals(3, pm.getParameterCount()); assertEquals(ParameterMetaData.parameterModeIn, pm.getParameterMode(1)); assertEquals(Types.VARCHAR, pm.getParameterType(1)); assertEquals(0, pm.getPrecision(1)); assertEquals(0, pm.getScale(1));//w ww .ja v a 2 s . c o m assertEquals(ResultSetMetaData.columnNullableUnknown, pm.isNullable(1)); assertEquals(pm.isSigned(1), true); assertThrows(SQLErrorCode.INVALID_VALUE_2, pm).getPrecision(0); assertThrows(SQLErrorCode.INVALID_VALUE_2, pm).getPrecision(4); prep.close(); assertThrows(SQLErrorCode.OBJECT_CLOSED, pm).getPrecision(1); Statement stat = conn.createStatement(); stat.execute("CREATE TABLE TEST3(ID INT, NAME VARCHAR(255), DATA DECIMAL(10,2))"); PreparedStatement prep1 = conn.prepareStatement("UPDATE TEST3 SET ID=?, NAME=?, DATA=?"); PreparedStatement prep2 = conn.prepareStatement("INSERT INTO TEST3 VALUES(?, ?, ?)"); checkParameter(prep1, 1, "java.lang.Integer", 4, "INTEGER", 10, 0); checkParameter(prep1, 2, "java.lang.String", 12, "VARCHAR", 255, 0); checkParameter(prep1, 3, "java.math.BigDecimal", 3, "DECIMAL", 10, 2); checkParameter(prep2, 1, "java.lang.Integer", 4, "INTEGER", 10, 0); checkParameter(prep2, 2, "java.lang.String", 12, "VARCHAR", 255, 0); checkParameter(prep2, 3, "java.math.BigDecimal", 3, "DECIMAL", 10, 2); PreparedStatement prep3 = conn .prepareStatement("SELECT * FROM TEST3 WHERE ID=? AND NAME LIKE ? AND ?>DATA"); checkParameter(prep3, 1, "java.lang.Integer", 4, "INTEGER", 10, 0); checkParameter(prep3, 2, "java.lang.String", 12, "VARCHAR", 0, 0); checkParameter(prep3, 3, "java.math.BigDecimal", 3, "DECIMAL", 10, 2); stat.execute("DROP TABLE TEST3"); }
From source file:com.alibaba.wasp.jdbc.TestPreparedStatement.java
private void checkParameter(PreparedStatement prep, int index, String className, int type, String typeName, int precision, int scale) throws SQLException { ParameterMetaData meta = prep.getParameterMetaData(); assertEquals(className, meta.getParameterClassName(index)); assertEquals(type, meta.getParameterType(index)); assertEquals(typeName, meta.getParameterTypeName(index)); assertEquals(precision, meta.getPrecision(index)); assertEquals(scale, meta.getScale(index)); }
From source file:com.tesora.dve.db.mysql.MysqlNative.java
@Override public ColumnMetadata getParameterColumnInfo(ParameterMetaData pmd, int colIdx) throws SQLException { ColumnMetadata out = new ColumnMetadata(); out.setDataType(pmd.getParameterType(colIdx)); out.setPrecision(pmd.getPrecision(colIdx)); out.setScale(pmd.getScale(colIdx));/*from w ww.jav a2 s.co m*/ if (ParameterMetaData.parameterNullable == pmd.isNullable(colIdx)) out.setNullable(Boolean.TRUE); out.setTypeName(NativeType.fixName(pmd.getParameterTypeName(colIdx))); return out; }
From source file:org.apache.calcite.avatica.jdbc.JdbcMeta.java
/** * Converts from JDBC metadata to AvaticaParameters */// w w w.j a va 2 s. com protected static List<AvaticaParameter> parameters(ParameterMetaData metaData) throws SQLException { if (metaData == null) { return Collections.emptyList(); } final List<AvaticaParameter> params = new ArrayList<>(); for (int i = 1; i <= metaData.getParameterCount(); i++) { params.add(new AvaticaParameter(metaData.isSigned(i), metaData.getPrecision(i), metaData.getScale(i), metaData.getParameterType(i), metaData.getParameterTypeName(i), metaData.getParameterClassName(i), "?" + i)); } return params; }