List of usage examples for java.sql ParameterMetaData getParameterCount
int getParameterCount() throws SQLException;
PreparedStatement
object for which this ParameterMetaData
object contains information. 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')"); 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 w w w . jav a 2s. co m System.out.println("db vendor supports ParameterMetaData"); 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); System.out.println(paramMetaData.getPrecision(param)); } } 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')"); 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 ww w. j a v a2 s.c o m*/ System.out.println("db vendor supports ParameterMetaData"); 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); System.out.println(paramMetaData.getParameterClassName(param)); } } pstmt.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 {/*w ww . j a v a2 s. com*/ 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 = 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); }// www . j a va 2 s .co m st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = null;//from www.j a va 2 s .c o m PreparedStatement pstmt = null; ParameterMetaData paramMetaData = null; conn = getMySqlConnection(); pstmt = conn.prepareStatement("select * from survey where id = ?"); paramMetaData = pstmt.getParameterMetaData(); if (paramMetaData == null) { System.out.println("db vendor does NOT support ParameterMetaData"); } else { System.out.println("db vendor supports ParameterMetaData"); // find out the number of dynamic parameters int paramCount = paramMetaData.getParameterCount(); System.out.println("paramCount=" + paramCount); } 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 ava 2 s. 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); } 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 va 2 s . 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 ww . jav a2s.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 paramClassName = paramMetaData.getParameterClassName(param); System.out.println("param class name=" + paramClassName); } } 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 va2 s. 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); int sqlTypeCode = paramMetaData.getParameterType(param); System.out.println("param SQL type code=" + sqlTypeCode); } } 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 {/*from w ww . j av a2s . c om*/ 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); int nullable = paramMetaData.isNullable(param); if (nullable == ParameterMetaData.parameterNoNulls) { System.out.println("parameter will not allow NULL values."); } else if (nullable == ParameterMetaData.parameterNullable) { System.out.println("parameter will allow NULL values."); } else { System.out.println("nullability of a parameter is unknown."); } } } pstmt.close(); conn.close(); }