Increased version number. Added support for sql array type.
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cdramey
parent
238307faec
commit
5b94df01a4
@ -1,6 +1,6 @@
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<?xml version="1.0"?>
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<project name="jdbcjson" default="compile">
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<property name="version.num" value="1.0" />
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<property name="version.num" value="1.1" />
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<target name="clean">
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<delete file="${ant.project.name}-${version.num}.jar" />
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@ -18,12 +18,20 @@ import com.google.gson.stream.JsonWriter;
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public class JDBCJSON
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{
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private static final DateFormat dateformat = DateFormat.getDateInstance(DateFormat.SHORT);
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private static final DateFormat timeformat = DateFormat.getTimeInstance(DateFormat.SHORT);
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private static final DateFormat datetimeformat = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
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private boolean debug;
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private Properties properties;
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private Set<String> warnings;
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public JDBCJSON()
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public JDBCJSON(boolean debug)
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{
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properties = new Properties();
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this.properties = new Properties();
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this.debug = debug;
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this.warnings = new HashSet<String>();
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}
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@ -47,14 +55,14 @@ public class JDBCJSON
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}
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public void run(String job, Set<String> warnings) throws Exception
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public Set<String> getWarnings()
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{
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DateFormat dateformat = DateFormat.getDateInstance(DateFormat.SHORT);
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DateFormat timeformat = DateFormat.getTimeInstance(DateFormat.SHORT);
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DateFormat datetimeformat = DateFormat.getDateTimeInstance(
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DateFormat.SHORT, DateFormat.SHORT
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);
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return warnings;
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}
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public void run(String job) throws Exception
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{
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String url = properties.getProperty(job + ".url");
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String sql = properties.getProperty(job + ".sql");
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@ -77,101 +85,9 @@ public class JDBCJSON
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);
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ResultSet rs = st.executeQuery(sql);
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ResultSetMetaData rsmd = rs.getMetaData();
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int columns = rsmd.getColumnCount();
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writer = new JsonWriter(new FileWriter(out, false));
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writer.beginArray();
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while(rs.next()){
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writer.beginObject();
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for(int i = 1; i <= columns; i++){
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switch(rsmd.getColumnType(i)){
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case Types.CHAR:
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case Types.LONGVARCHAR:
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case Types.LONGNVARCHAR:
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case Types.NCHAR:
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case Types.NVARCHAR:
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case Types.VARCHAR:
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writer.name(rsmd.getColumnName(i));
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writer.value(rs.getString(i));
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break;
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case Types.NULL:
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writer.name(rsmd.getColumnName(i));
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writer.nullValue();
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break;
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case Types.BIT:
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case Types.BOOLEAN:
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writer.name(rsmd.getColumnName(i));
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writer.value(rs.getBoolean(i));
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break;
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case Types.BIGINT:
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case Types.INTEGER:
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case Types.SMALLINT:
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case Types.TINYINT:
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writer.name(rsmd.getColumnName(i));
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writer.value(rs.getLong(i));
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break;
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case Types.REAL:
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writer.name(rsmd.getColumnName(i));
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writer.value(rs.getFloat(i));
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break;
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case Types.DOUBLE:
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case Types.FLOAT:
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writer.name(rsmd.getColumnName(i));
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writer.value(rs.getDouble(i));
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break;
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case Types.DECIMAL:
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case Types.NUMERIC:
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writer.name(rsmd.getColumnName(i));
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writer.value(rs.getBigDecimal(i));
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break;
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case Types.DATE:
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writer.name(rsmd.getColumnName(i));
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if(rs.getDate(i) == null){
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writer.nullValue();
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} else {
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writer.value(dateformat.format(rs.getDate(i)));
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}
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break;
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case Types.TIME:
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writer.name(rsmd.getColumnName(i));
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if(rs.getTime(i) == null){
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writer.nullValue();
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} else {
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writer.value(timeformat.format(rs.getTime(i)));
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}
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break;
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case Types.TIMESTAMP:
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writer.name(rsmd.getColumnName(i));
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if(rs.getTimestamp(i) == null){
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writer.nullValue();
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} else {
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writer.value(datetimeformat.format(rs.getTimestamp(i)));
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}
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break;
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default:
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if(warnings != null){
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warnings.add(
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"Unsupported column, " + rsmd.getColumnName(i) +
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", type " + rsmd.getColumnTypeName(i)
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);
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}
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break;
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}
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}
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writer.endObject();
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}
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writer.endArray();
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process(rs, writer, null);
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} finally {
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try { writer.close(); }
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@ -183,6 +99,119 @@ public class JDBCJSON
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}
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private void process(ResultSet rs, JsonWriter writer, String column) throws Exception
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{
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ResultSetMetaData rsmd = rs.getMetaData();
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int count = rsmd.getColumnCount();
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writer.beginArray();
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while(rs.next()){
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if(column == null){ writer.beginObject(); }
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for(int i = (column == null ? 1 : 2); i <= count; i++){
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switch(rsmd.getColumnType(i)){
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case Types.CHAR:
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case Types.LONGVARCHAR:
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case Types.LONGNVARCHAR:
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case Types.NCHAR:
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case Types.NVARCHAR:
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case Types.VARCHAR:
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if(column == null){ writer.name(rsmd.getColumnName(i)); }
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writer.value(rs.getString(i));
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break;
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case Types.NULL:
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if(column == null){ writer.name(rsmd.getColumnName(i)); }
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writer.nullValue();
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break;
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case Types.BIT:
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case Types.BOOLEAN:
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if(column == null){ writer.name(rsmd.getColumnName(i)); }
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writer.value(rs.getBoolean(i));
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break;
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case Types.BIGINT:
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case Types.INTEGER:
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case Types.SMALLINT:
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case Types.TINYINT:
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if(column == null){ writer.name(rsmd.getColumnName(i)); }
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writer.value(rs.getLong(i));
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break;
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case Types.REAL:
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if(column == null){ writer.name(rsmd.getColumnName(i)); }
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writer.value(rs.getFloat(i));
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break;
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case Types.DOUBLE:
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case Types.FLOAT:
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if(column == null){ writer.name(rsmd.getColumnName(i)); }
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writer.value(rs.getDouble(i));
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break;
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case Types.DECIMAL:
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case Types.NUMERIC:
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if(column == null){ writer.name(rsmd.getColumnName(i)); }
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writer.value(rs.getBigDecimal(i));
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break;
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case Types.DATE:
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if(column == null){ writer.name(rsmd.getColumnName(i)); }
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if(rs.getDate(i) == null){
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writer.nullValue();
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} else {
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writer.value(dateformat.format(rs.getDate(i)));
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}
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break;
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case Types.TIME:
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if(column == null){ writer.name(rsmd.getColumnName(i)); }
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if(rs.getTime(i) == null){
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writer.nullValue();
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} else {
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writer.value(timeformat.format(rs.getTime(i)));
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}
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break;
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case Types.TIMESTAMP:
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if(column == null){ writer.name(rsmd.getColumnName(i)); }
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if(rs.getTimestamp(i) == null){
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writer.nullValue();
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} else {
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writer.value(datetimeformat.format(rs.getTimestamp(i)));
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}
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break;
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case Types.ARRAY:
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if(column == null){ writer.name(rsmd.getColumnName(i)); }
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if(rs.getArray(i) == null){
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writer.nullValue();
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} else {
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process(
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rs.getArray(i).getResultSet(),
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writer,
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(column == null ? rsmd.getColumnName(i) : column)
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);
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}
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break;
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default:
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if(debug){
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warnings.add(
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"Unsupported column, " +
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(column == null ? rsmd.getColumnName(i) : column) +
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", type " + rsmd.getColumnTypeName(i)
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);
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}
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break;
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}
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}
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if(column == null){ writer.endObject(); }
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}
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writer.endArray();
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}
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public static void main(String[] args)
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{
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boolean debug = false;
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@ -207,7 +236,7 @@ public class JDBCJSON
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System.exit(1);
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}
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JDBCJSON jdbcjson = new JDBCJSON();
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JDBCJSON jdbcjson = new JDBCJSON(debug);
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try {
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jdbcjson.load(properties_path);
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@ -220,23 +249,17 @@ public class JDBCJSON
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String[] jobs = jdbcjson.list();
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for(String job : jobs){
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try {
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if(debug){
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HashSet<String> warnings = new HashSet<String>();
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jdbcjson.run(job, warnings);
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for(String warning : warnings){
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System.out.println("Warning: " + warning);
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}
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} else {
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jdbcjson.run(job, null);
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}
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} catch(Exception ex){
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try { jdbcjson.run(job); }
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catch(Exception ex){
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System.out.print("Error while running job " + job + ": ");
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System.out.println(ex.getMessage());
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if(debug){ ex.printStackTrace(); }
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System.exit(1);
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}
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for(String warning : jdbcjson.getWarnings()){
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System.out.println("Warning in " + job + ": " + warning);
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}
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}
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System.exit(0);
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