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OpenRefine is a free, open source power tool for working with messy data and improving it
/*
* Copyright (c) 2018, Tony Opara
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of Google nor the names of its contributors may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.google.refine.exporters.sql;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import com.fasterxml.jackson.databind.JsonNode;
import org.apache.commons.lang3.math.NumberUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.refine.util.JSONUtilities;
public class SqlInsertBuilder {
private static final Logger logger = LoggerFactory.getLogger("SQLInsertBuilder");
private String table;
private List columns;
private List> sqlDataList;
private JsonNode options;
/**
*
* @param table
* @param columns
* @param rows
* @param sqlOptions
*/
public SqlInsertBuilder(String table, List columns, List> rows, JsonNode sqlOptions) {
this.table = table;
this.columns = columns;
this.sqlDataList = rows;
this.options = sqlOptions;
// logger.info("Column Size:{}", columns.size());
}
/**
* Get Insert Sql
*
* @return
*/
public String getInsertSQL() {
if (logger.isDebugEnabled()) {
logger.debug("Insert SQL with columns: {}", columns);
}
List colOptionArray = options == null ? null : JSONUtilities.getArray(options, "columns");
Map colOptionsMap = new HashMap<>();
if (colOptionArray != null) {
colOptionArray.forEach(json -> {
colOptionsMap.put(JSONUtilities.getString(json, "name", null), json);
});
}
boolean nullValueNull = options == null ? true : JSONUtilities.getBoolean(options, "convertNulltoEmptyString", true);
StringBuffer values = new StringBuffer();
int idx = 0;
for (ArrayList sqlRow : sqlDataList) {
StringBuilder rowValue = new StringBuilder();
// int fieldCount = 0;
for (SqlData val : sqlRow) {
JsonNode jsonOb = colOptionsMap.get(val.getColumnName());
String type = JSONUtilities.getString(jsonOb, "type", null);
String defaultValue = JSONUtilities.getString(jsonOb, "defaultValue", null);
boolean allowNullChkBox = JSONUtilities.getBoolean(jsonOb, "defaultValue", true);
;
if (type == null) {
type = SqlData.SQL_TYPE_VARCHAR;
}
// Character Types
if (type.equals(SqlData.SQL_TYPE_VARCHAR) || type.equals(SqlData.SQL_TYPE_CHAR) || type.equals(SqlData.SQL_TYPE_TEXT)) {
if ((val.getText() == null || val.getText().isEmpty())) {
handleNullField(allowNullChkBox, defaultValue, nullValueNull, val.getColumnName(), rowValue, true);
} else {
rowValue.append("'" + val.getText().replace("'", "''") + "'");
}
} else if (type.equals(SqlData.SQL_TYPE_INT) || type.equals(SqlData.SQL_TYPE_INTEGER)
|| type.equals(SqlData.SQL_TYPE_NUMERIC)) {// Numeric Types : INT, NUMERIC
if ((val.getText() == null || val.getText().isEmpty())) {
handleNullField(allowNullChkBox, defaultValue, nullValueNull, val.getColumnName(), rowValue, false);
} else {// value not null
if (type.equals(SqlData.SQL_TYPE_NUMERIC)) {// test if number is numeric (decimal(p,s) number is
// valid)
if (!NumberUtils.isCreatable(val.getText())) {
throw new SqlExporterException(
val.getText() + " is not compatible with column type :" + type);
}
} else {
try { // number should be an integer
Integer.parseInt(val.getText());
} catch (NumberFormatException nfe) {
throw new SqlExporterException(
val.getText() + " is not compatible with column type :" + type);
}
}
rowValue.append(val.getText());
}
} else if (type.equals(SqlData.SQL_TYPE_DATE) || type.equals(SqlData.SQL_TYPE_TIMESTAMP)) {
if ((val.getText() == null || val.getText().isEmpty())) {
handleNullField(allowNullChkBox, defaultValue, nullValueNull, val.getColumnName(), rowValue, true);
} else {
rowValue.append("'" + val.getText() + "'");
}
}
rowValue.append(",");
}
idx++;
String rowValString = rowValue.toString();
// logger.info("rowValString::" + rowValString);
rowValString = rowValString.substring(0, rowValString.length() - 1);
values.append("( ");
values.append(rowValString);
values.append(" )");
if (idx < sqlDataList.size()) {
values.append(",");
}
values.append("\n");
}
boolean trimColNames = options == null ? false : JSONUtilities.getBoolean(options, "trimColumnNames", false);
String colNamesWithSep = columns.stream().map(col -> SqlCreateBuilder.addQuotes(col.replaceAll("[^a-zA-Z0-9_]", "_")))
.collect(Collectors.joining(","));
if (!trimColNames) {
colNamesWithSep = columns.stream().map(col -> SqlCreateBuilder.addQuotes(col)).collect(Collectors.joining(","));
}
String valuesString = values.toString();
valuesString = valuesString.substring(0, Integer.max(0, valuesString.length() - 1));
StringBuffer sql = new StringBuffer();
sql.append("INSERT INTO ").append(table);
sql.append(" (");
sql.append(colNamesWithSep);
sql.append(") VALUES ").append("\n");
sql.append(valuesString);
String sqlString = sql.toString();
if (logger.isDebugEnabled()) {
logger.debug("Insert Statement Generated Successfully...{}", sqlString);
}
return sqlString;
}
/**
*
* @param allowNullChkBox
* @param defaultValue
* @param nullValueNull
* @param col
* @param rowValue
* @param quote
*/
public void handleNullField(
boolean allowNullChkBox,
String defaultValue,
boolean nullValueNull,
String col,
StringBuilder rowValue,
boolean quote) {
if (allowNullChkBox) {// cell nullable
if (defaultValue != null && !defaultValue.isEmpty()) {
if (quote) {
rowValue.append("'" + defaultValue + "'");
} else {
rowValue.append(defaultValue);
}
} else {
if (nullValueNull) {
rowValue.append("null");
} else {
throw new SqlExporterException("Null value not allowed for Field :" + col);
}
}
} else {
if (defaultValue != null && !defaultValue.isEmpty()) {
if (quote) {
rowValue.append("'" + defaultValue + "'");
} else {
rowValue.append(defaultValue);
}
} else {
throw new SqlExporterException("Null value not allowed for Field :" + col);
}
}
}
}
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