From 39815aaeb317c656eac4c67555ffb1148fb081b3 Mon Sep 17 00:00:00 2001
From: liulin <lin.liu@aliyun.com>
Date: 星期五, 02 八月 2024 17:00:24 +0800
Subject: [PATCH] mysql迁移数据库到gauss
---
src/test/java/com/lunhan/xxx/host/GenCodeGauss.java | 447 ++++++++++++++++++++++++++++++++++++++++++-------------
1 files changed, 339 insertions(+), 108 deletions(-)
diff --git a/src/test/java/com/lunhan/xxx/host/GenCodeGauss.java b/src/test/java/com/lunhan/xxx/host/GenCodeGauss.java
index bcc7534..86923dd 100644
--- a/src/test/java/com/lunhan/xxx/host/GenCodeGauss.java
+++ b/src/test/java/com/lunhan/xxx/host/GenCodeGauss.java
@@ -1,10 +1,7 @@
package com.lunhan.xxx.host;
import com.lunhan.xxx.common.ConstantFactory;
-import com.lunhan.xxx.common.util.ListUtil;
-import com.lunhan.xxx.common.util.LocalDateTimeUtil;
-import com.lunhan.xxx.common.util.NumericUtil;
-import com.lunhan.xxx.common.util.StringUtil;
+import com.lunhan.xxx.common.util.*;
import org.apache.commons.lang3.BooleanUtils;
import java.io.File;
@@ -12,6 +9,9 @@
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.*;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.util.Date;
import java.util.*;
public class GenCodeGauss {
@@ -19,7 +19,7 @@
private static final String PORT = "57654";
private static final String USER = "lunhan";
private static final String PASSWORD = "lunhan.20240330";
- private static final String DB_NAME = "water_trade_center";
+ private static final String DB_NAME = "water_basic";
private static final String AUTHOR = "lin.liu";
private static Connection CONN = null;
@@ -31,8 +31,8 @@
public static final String PO = "./src/main/java/com/lunhan/xxx/repository/po/";
public static final String VO = "./src/main/java/com/lunhan/xxx/repository/vo/";
public static final String CONVERT_MAPPER = "./src/main/java/com/lunhan/xxx/service/convert/";
- public static final String MAPPER_IMPL = "./src/main/java/com/lunhan/xxx/repository/mapper/";
- public static final String MAPPER = "./src/main/java/com/lunhan/xxx/repository/imapper/";
+ public static final String MAPPER_IMPL = "./src/main/java/com/lunhan/xxx/repository/impl/";
+ public static final String MAPPER = "./src/main/java/com/lunhan/xxx/repository/mapper/";
public static final String SERVICE = "./src/main/java/com/lunhan/xxx/service/";
public static final String Controller = "./src/main/java/com/lunhan/xxx/host/controller/";
public static final String SEARCH = "./src/main/java/com/lunhan/xxx/entity/dto/search/";
@@ -46,8 +46,8 @@
public static final String PO = "com.lunhan.xxx.repository.po";
public static final String VO = "com.lunhan.xxx.repository.vo";
public static final String CONVERT_MAPPER = "com.lunhan.xxx.service.convert";
- public static final String MAPPER_IMPL = "com.lunhan.xxx.repository.mapper";
- public static final String MAPPER = "com.lunhan.xxx.repository.imapper";
+ public static final String MAPPER_IMPL = "com.lunhan.xxx.repository.impl";
+ public static final String MAPPER = "com.lunhan.xxx.repository.mapper";
public static final String SERVICE = "com.lunhan.xxx.service";
public static final String Controller = "com.lunhan.xxx.host.controller";
public static final String SEARCH = "com.lunhan.xxx.entity.dto.search";
@@ -79,7 +79,7 @@
private static final Integer SET_PO_Getter = 1;
//endregion
- //region po类头部文字设置
+ //region 类头部文字设置
private static final String SET_BEFORE_TEXT =
"/**\n" +
"# __----~~~~~~~~~~~------___\n" +
@@ -105,11 +105,12 @@
"*/";
//endregion
+ //region import依赖架包
+
//region po类 import 内容设置
private static final String[] SET_PO_IMPORT = new String[]{
- "import com.lunhan.xxx.repository.BasicPO;",
+ "import com.baomidou.mybatisplus.annotation.*;",
"",
- "import javax.persistence.*;",
"import java.io.Serializable;",
"import java.sql.Timestamp;"
};
@@ -123,7 +124,7 @@
};
//endregion
- //region 实体映射类 import 内容设置
+ //region 实体属性映射类 import 内容设置
private static final String[] SET_CONVERT_IMPORT = new String[]{
"import org.mapstruct.Mapper;" +
"import org.mapstruct.factory.Mappers;" +
@@ -132,26 +133,15 @@
};
//endregion
- //region 字段名枚举类 import 内容设置
- private static final String[] SET_COLUMNS_ENUM_IMPORT = new String[]{
- "import com.lunhan.xxx.common.orm2.enums.ColumnBasic;",
- "import java.util.Arrays;",
- "import java.util.Objects;"
- };
- //endregion
-
- //region dao类 import 内容设置
- private static final String[] SET_DAO_IMPORT = new String[]{
+ //region mapper实现类 import 内容设置
+ private static final String[] SET_MAPPER_IMPL_IMPORT = new String[]{
"import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;",
"import com.baomidou.mybatisplus.extension.plugins.pagination.Page;",
"import com.lunhan.xxx.common.PagerResult;",
"import com.lunhan.xxx.common.enums.EYesOrNo;",
- "import com.lunhan.xxx.common.util.ListUtil;",
- "import com.lunhan.xxx.common.util.NumericUtil;",
- "import com.lunhan.xxx.common.util.StringUtil;",
- "import com.lunhan.xxx.entity.dto.OrderByDTO;",
- "import com.lunhan.xxx.entity.dto.SearchBasicDTO;",
- "import com.lunhan.xxx.entity.enums.EOrderBy;",
+ "import com.lunhan.xxx.common.util.*;",
+ "import com.lunhan.xxx.entity.dto.*;",
+ "import com.lunhan.xxx.entity.enums.*;",
"import com.lunhan.xxx.repository.BasicMapperImpl;",
"import org.springframework.stereotype.Repository;"
};
@@ -160,14 +150,14 @@
//region service类 import 内容设置
private static final String[] SET_Service_IMPORT = new String[]{
"import com.lunhan.xxx.common.*;",
+ "import com.lunhan.xxx.common.enums.*;",
"import com.lunhan.xxx.common.model.Tuple;",
"import com.lunhan.xxx.common.util.*;",
"import org.apache.commons.lang3.BooleanUtils;",
"import org.springframework.beans.factory.annotation.Autowired;",
"import org.springframework.stereotype.Service;",
- "import java.util.ArrayList;",
- "import java.util.List;",
- "import java.util.Objects;"
+ "import java.util.*;",
+ "import java.util.stream.Collectors;"
};
//endregion
@@ -190,6 +180,8 @@
private static final String[] SET_SEARCH_IMPORT = new String[]{
"import " + GenCodeGauss.PackageSet.SEARCH.replaceAll("\\.search", "") + ".SearchBasicDTO;",
};
+ //endregion
+
//endregion
//region 类注释模版
@@ -250,7 +242,7 @@
* 只生成以下配置的表
*/
private static final List<String> ONLY_TABLES = Arrays.asList(
- "water_meter_apply"
+ "admin_menus"
);
public static void main(String[] args) {
@@ -274,7 +266,7 @@
genSearch(columns, tableDesc);
genMapper(columns, tableDesc);
genModifyDto(columns, tableName, tableDesc);
- genDao(tableName, tableDesc);
+ genMapperImpl(tableName, tableDesc);
genConvertMapper(tableName, tableDesc);
genService(tableName, tableDesc);
genController(tableName, tableDesc);
@@ -332,16 +324,18 @@
listColumn.add(SET_PRO_DESC_TPL.replaceAll("\\{\\#\\=desc\\}", desc));
if (Objects.equals(isPK, 1)) {
- listColumn.add("\t@Id");
+ listColumn.add("\t@TableId");
+ if (Objects.equals(isIdentity, 1)) {
+ listColumn.add("(type = IdType.AUTO)");
+ } else {
+ listColumn.add("(type = IdType.ASSIGN_ID)");
+ }
}
- if (Objects.equals(isIdentity, 1)) {
- listColumn.add("\t@GeneratedValue(strategy = GenerationType.AUTO)");
- }
- String columnAnnotation = "\t@Column(name = \"" + name + "\"";
+ String columnAnnotation = "\t@TableField(\"" + name + "\"";
//忽略最后修改时间这一列的新增和编辑
- if (UPDATE_TIME_COLUMNS.stream().anyMatch(c -> c.equalsIgnoreCase(name))) {
- columnAnnotation += ", insertable = false, updatable = false";
- }
+// if (UPDATE_TIME_COLUMNS.stream().anyMatch(c -> c.equalsIgnoreCase(name))) {
+// columnAnnotation += ", insertable = false, updatable = false";
+// }
if ("datachange_lasttime".equalsIgnoreCase(name)) {
propName = "dataChangeLastTime";
columnNameUpper = "DataChangeLastTime";
@@ -373,9 +367,7 @@
content.append("@Data");
content.append(ConstantFactory.STR_NEWLINE);
}
- content.append("@Entity");
- content.append(ConstantFactory.STR_NEWLINE);
- content.append("@Table(name = \"" + tableName);
+ content.append("@TableName(\"" + tableName);
content.append("\")");
content.append(ConstantFactory.STR_NEWLINE);
content.append("public class ");
@@ -530,7 +522,7 @@
writeFile(GenCodeGauss.OutSet.SEARCH + "/", searchName + ".java", content.toString());
}
- private static void genDao(String tableName, String tableDesc) {
+ private static void genMapperImpl(String tableName, String tableDesc) {
String modelName = underline2Camel(tableName, true);
String mapperName = modelName + SuffixSet.MAPPER;
String daoName = modelName + GenCodeGauss.SuffixSet.MAPPER_IMPL;
@@ -546,9 +538,9 @@
content.append(GenCodeGauss.PackageSet.MAPPER_IMPL);
content.append(ConstantFactory.STR_SEMICOLON);
content.append(ConstantFactory.STR_NEWLINE);
- if (SET_DAO_IMPORT.length > 0) {
+ if (SET_MAPPER_IMPL_IMPORT.length > 0) {
content.append(ConstantFactory.STR_NEWLINE);
- for (String s : SET_DAO_IMPORT) {
+ for (String s : SET_MAPPER_IMPL_IMPORT) {
content.append(s);
content.append(ConstantFactory.STR_NEWLINE);
}
@@ -583,7 +575,7 @@
content.append("\t}\n");
content.append(ConstantFactory.STR_NEWLINE);
content.append("\t@Override\n" +
- "\tpublic PagerResult<" + poName + "> search(" + searchName + " request) {\n" +
+ "\tpublic PagerResult<" + poName + "> search(SearchBasicDTO request) {\n" +
"\t\t// 还原查询条件真实类型\n" +
"\t\t" + searchName + " search = (" + searchName + ")request;\n" +
"\t\t// 查询条件\n" +
@@ -600,12 +592,12 @@
"\t\t// 数据创建时间-截止\n" +
"\t\tqueryWrapper.le(NumericUtil.tryParseLong(search.getCreateTimeEnd()).compareTo(0L) > 0, " + poName + "::getCreateTime, search.getCreateTimeEnd());\n" +
"\t\t// 关键字\n" +
- "\t\tif (StringUtil.isNotNullOrEmpty(search.getKeywords())) {\n" +
- "\t\t\tqueryWrapper.and(q ->\n" +
- "\t\t\t\tq.like(" + poName + "::getName, search.getKeywords())\n" +
- "\t\t\t\t.or().like(" + poName + "::getPhone, search.getKeywords())\n" +
- "\t\t\t);\n" +
- "\t\t}\n" +
+ "\t\t//if (StringUtil.isNotNullOrEmpty(search.getKeywords())) {\n" +
+ "\t\t//\tqueryWrapper.and(q ->\n" +
+ "\t\t//\t\tq.like(" + poName + "::getName, search.getKeywords())\n" +
+ "\t\t//\t\t.or().like(" + poName + "::getPhone, search.getKeywords())\n" +
+ "\t\t//\t);\n" +
+ "\t\t//}\n" +
"\n" +
"\t\t// 排序处理\n" +
"\t\tif (ListUtil.isNotNullOrEmpty(search.getOrderBy())) {\n" +
@@ -989,13 +981,11 @@
content.append(serviceName);
content.append(" extends BaseService {\n");
content.append(" @Autowired\n" +
- " private " + daoName + " dao;\n");
+ " private " + daoName + " mapper;\n");
content.append(ConstantFactory.STR_NEWLINE);
content.append(" public ExecutedResult<Long> create(" + createDTOName + " request) {\n" +
" // 转换po\n" +
" " + poName + " item = CopierUtil.mapTo(request, " + poName + ".class);\n" +
- " // 设置主键id\n" +
- " //item.setId(SnowFlakeUtil.getId());\n" +
" // 设置状态\n" +
" //item.setStatus(EState.NORMAL.getValue());\n" +
" // 设置记录创建时间\n" +
@@ -1003,8 +993,8 @@
" // 是否删除(逻辑删除)初始值\n" +
" //item.setIsDelete(EYesOrNo.NO.getValue());\n" +
"\n" +
- " Boolean result = this.dao.add(item);\n" +
- " if (BooleanUtils.isFalse(result)) {\n" +
+ " int rowCount = mapper.insert(item);\n" +
+ " if (rowCount != 1) {\n" +
" return ExecutedResult.failed(\"创建[" + tableDesc + "]失败。\");\n" +
" }\n" +
" return ExecutedResult.success(item.getId());\n" +
@@ -1019,8 +1009,8 @@
" // 转换po\n" +
" " + poName + " item = CopierUtil.mapTo(request, " + poName + ".class);\n" +
"\n" +
- " Boolean result = this.dao.modify(item);\n" +
- " if (BooleanUtils.isFalse(result)) {\n" +
+ " int rowCount = mapper.updateById(item);\n" +
+ " if (rowCount != 1) {\n" +
" return ExecutedResult.failed(\"编辑[" + tableDesc + "]失败。\");\n" +
" }\n" +
" return ExecutedResult.success();\n" +
@@ -1029,7 +1019,7 @@
" public ExecutedResult<" + responseDTOName + "> get(Long id) {\n" +
" " + responseDTOName + " result = new " + responseDTOName + "();\n" +
"\n" +
- " " + poName + " find = dao.getById(id);\n" +
+ " " + poName + " find = mapper.get(id);\n" +
" if (null != find) {\n" +
" result = CopierUtil.mapTo(find, " + responseDTOName + ".class);\n" +
" }\n" +
@@ -1046,8 +1036,8 @@
"// item.setId(id);\n" +
"// item.setStatus(EState.DISABLED.getValue());\n" +
"//\n" +
- "// Boolean result = this.dao.modify(item);\n" +
- "// if (BooleanUtils.isFalse(result)) {\n" +
+ "// int rowCount = mapper.updateById(item);\n" +
+ "// if (rowCount != 1) {\n" +
"// return ExecutedResult.failed(\"停用[" + tableDesc + "]失败。\");\n" +
"// }\n" +
"// return ExecutedResult.success();\n" +
@@ -1063,8 +1053,8 @@
"// item.setId(id);\n" +
"// item.setStatus(EState.NORMAL.getValue());\n" +
"//\n" +
- "// Boolean result = this.dao.modify(item);\n" +
- "// if (BooleanUtils.isFalse(result)) {\n" +
+ "// int rowCount = mapper.updateById(item);\\n\" +\n" +
+ "// if (rowCount != 1) {\n" +
"// return ExecutedResult.failed(\"启用[" + tableDesc + "]失败。\");\n" +
"// }\n" +
"// return ExecutedResult.success();\n" +
@@ -1080,15 +1070,39 @@
"// item.setId(request.getId());\n" +
"// item.setSort(request.getSort());\n" +
"//\n" +
- "// Boolean result = this.dao.modify(item);\n" +
- "// if (BooleanUtils.isFalse(result)) {\n" +
+ "// int rowCount = mapper.updateById(item);\\n\" +\n" +
+ "// if (rowCount != 1) {\n" +
"// return ExecutedResult.failed(\"设置[" + tableDesc + "]排序值失败。\");\n" +
"// }\n" +
"// return ExecutedResult.success();\n" +
"// }\n" +
"//\n" +
+ "// public ExecutedResult<String> listSetSort(ReqListSetSort request) {\n" +
+ "// // id列表\n" +
+ "// List<Long> listId = request.getList().stream().map(ReqSetSort::getId).collect(Collectors.toList());\n" +
+ "// // 验证记录是否存在\n" +
+ "// ExecutedResult<List<" + poName + ">> checkExists = this.check4Id(listId);\n" +
+ "// if (checkExists.isFailed()) {\n" +
+ "// return ExecutedResult.failed(checkExists.getMsg());\n" +
+ "// }\n" +
+ "//\n" +
+ "// List<" + poName + "> listUpdate = request.getList().stream()\n" +
+ "// .map(c -> {\n" +
+ "// " + poName + " item = new " + poName + "();\n" +
+ "// item.setId(c.getId());\n" +
+ "// item.setSort(c.getSort());\n" +
+ "// return item;\n" +
+ "// })\n" +
+ "// .collect(Collectors.toList());\n" +
+ "// Boolean result = mapper.modifyList(listUpdate);\n" +
+ "// if (result) {\n" +
+ "// return ExecutedResult.success();\n" +
+ "// }\n" +
+ "// return ExecutedResult.failed(\"[" + tableDesc + "]设置排序值失败\");\n" +
+ "// }\n" +
+ "//\n" +
"// public ExecutedResult<String> remove(Long id) {\n" +
- "// Boolean result = this.dao.remove(id);\n" +
+ "// Boolean result = mapper.deleteLogic(id);\n" +
"// if (BooleanUtils.isFalse(result)) {\n" +
"// return ExecutedResult.failed(\"删除[" + tableDesc + "]失败。\");\n" +
"// }\n" +
@@ -1096,7 +1110,7 @@
"// }\n" +
"//\n" +
"// public ExecutedResult<String> removeList(List<Long> ids) {\n" +
- "// Boolean result = this.dao.removeByListId(ids);\n" +
+ "// Boolean result = mapper.deleteLogic(ids);\n" +
"// if (BooleanUtils.isFalse(result)) {\n" +
"// return ExecutedResult.failed(\"删除[" + tableDesc + "]失败。\");\n" +
"// }\n" +
@@ -1106,7 +1120,7 @@
" public ExecutedResult<List<" + responseDTOName + ">> getList(List<Long> listId) {\n" +
" List<" + responseDTOName + "> result = new ArrayList<>();\n" +
"\n" +
- " List<" + poName + "> list = this.dao.getListById(listId);\n" +
+ " List<" + poName + "> list = mapper.getList(listId);\n" +
" if (ListUtil.isNotNullOrEmpty(list)) {\n" +
" result = CopierUtil.mapTo(list, " + responseDTOName + ".class);\n" +
" }\n" +
@@ -1123,7 +1137,7 @@
" search.setCreateTimeEnd(LocalDateTimeUtil.getTimeStamp(createTimeRange.getItem2()).getTime());\n" +
" }\n" +
"\n" +
- " PagerResult<" + poName + "> pageList = dao.search(search);\n" +
+ " PagerResult<" + poName + "> pageList = mapper.search(search);\n" +
" List<" + responseDTOName + "> listVo = new ArrayList<>();\n" +
" List<" + poName + "> list = pageList.getList();\n" +
" if (ListUtil.isNotNullOrEmpty(list)) {\n" +
@@ -1137,12 +1151,30 @@
" }\n" +
"\n" +
" protected ExecutedResult<" + poName + "> check4Id(Long id) {\n" +
- " " + poName + " exists = dao.getById(id);\n" +
+ " " + poName + " exists = mapper.get(id);\n" +
" if (Objects.isNull(exists)) {\n" +
" return ExecutedResult.failed(\"[" + tableDesc + "]不存在：\" + id);\n" +
" }\n" +
" return ExecutedResult.success(exists);\n" +
- " }\n");
+ " }\n"+
+ " protected ExecutedResult<List<" + poName + ">> check4Id(List<Long> listId) {\n" +
+ " // 从数据库查找" + tableDesc + "\n" +
+ " List<" + poName + "> list = mapper.getList(listId);\n" +
+ " if (ListUtil.isNullOrEmpty(list)) {\n" +
+ " return ExecutedResult.failed(\"[" + tableDesc + "]不存在.\" + listId);\n" +
+ " }\n" +
+ " // 数据库找到的id列表\n" +
+ " List<Long> listIdFind = list.stream().map(" + poName + "::getId).collect(Collectors.toList());\n" +
+ " // 数量不一致\n" +
+ " if (listId.size() != listIdFind.size()) {\n" +
+ " // 筛选数据库不存在的" + tableDesc + "\n" +
+ " List<Long> listIdNotFound = listId.stream().filter(c -> !listIdFind.contains(c)).collect(Collectors.toList());\n" +
+ " if (ListUtil.isNullOrEmpty(list)) {\n" +
+ " return ExecutedResult.failed(\"[" + tableDesc + "]不存在.\" + listIdNotFound);\n" +
+ " }\n" +
+ " }\n" +
+ " return ExecutedResult.success(list);\n" +
+ " }");
content.append("}");
if (new File(GenCodeGauss.OutSet.SERVICE + serviceName + ".java").exists()) {
@@ -1275,16 +1307,6 @@
.replaceAll("\\{\\#\\=date\\}", LocalDateTimeUtil.todayStr().replaceAll("\\-", "/"))
);
content.append(ConstantFactory.STR_NEWLINE);
- content.append(" @PostMapping(value = \"getList\")\n" +
- " public ExecutedResult<List<" + voName + ">> getList(@RequestBody ReqListId request) {\n" +
- " return this.service.getList(request.getListId());\n" +
- " }\n\n");
- content.append(SET_METHOD_DESC_TPL
- .replaceAll("\\{\\#\\=desc\\}", "查询[" + tableDesc + "]")
- .replaceAll("\\{\\#\\=author\\}", AUTHOR)
- .replaceAll("\\{\\#\\=date\\}", LocalDateTimeUtil.todayStr().replaceAll("\\-", "/"))
- );
- content.append(ConstantFactory.STR_NEWLINE);
content.append(" @PostMapping(value = \"search\")\n" +
" public ExecutedResult<PagerResult<" + voName + ">> search(@RequestBody " + searchName + " request) {\n" +
" return this.service.search(request);\n" +
@@ -1323,6 +1345,7 @@
content.append(ConstantFactory.STR_SEMICOLON);
content.append(ConstantFactory.STR_NEWLINE);
content.append(ConstantFactory.STR_NEWLINE);
+ content.append(String.format("import %s.BasicMapper;", PackageSet.MAPPER.replace(".mapper", "")));
content.append(String.format("import %s.%s%s;", GenCodeGauss.PackageSet.PO, modelName, GenCodeGauss.SuffixSet.PO));
content.append(ConstantFactory.STR_NEWLINE);
content.append(ConstantFactory.STR_NEWLINE);
@@ -1345,7 +1368,7 @@
//#endregion
- private static Map<String, String> getTables(String dbSchema) {
+ public static Map<String, String> getTables(String dbSchema) {
// dbSchema="public";
Map<String, String> result = new LinkedHashMap<>();
String sql = "SELECT tb.table_name, d.description AS TABLE_COMMENT" +
@@ -1368,27 +1391,20 @@
return result;
}
- private static List<Map<String, Object>> getColumns(String tableName, String dbSchema) {
+ public static List<Map<String, Object>> getColumns(String tableName, String dbSchema) {
List<Map<String, Object>> result = new ArrayList<>();
- String sql = "select " +
- "col.table_name AS objName, " +
- "col.column_name AS name, " +
- "col.data_type AS type, " +
- "col.character_maximum_length AS LENGTH, " +
- "des.description, " +
- "col.numeric_precision, " +
- "col.numeric_scale," +
- "CASE is_identity WHEN 'YES' THEN 1 ELSE 0 END AS isIdentity, " +
- "CASE col.IS_NULLABLE WHEN 'YES' THEN 1 ELSE 0 END AS isNullable, " +
- "col.column_default AS default " +
- "from " +
- "information_schema.columns col left join pg_description des on " +
- "col.table_name::regclass = des.objoid " +
- "and col.ordinal_position = des.objsubid " +
- "where " +
- "table_name = ? " +
- "and table_schema = 'public' " +
- "order by " +
+ String sql = "SELECT col.table_name AS objName, col.column_name AS name, col.udt_name AS type, col.character_maximum_length AS LENGTH, des.description,\n" +
+ "col.numeric_precision, \n" +
+ "col.numeric_scale,\n" +
+ "col.datetime_precision,\n" +
+ "CASE is_identity WHEN 'YES' THEN 1 ELSE 0 END AS isIdentity,\n" +
+ "CASE col.IS_NULLABLE WHEN 'YES' THEN 1 ELSE 0 END AS isNullable,\n" +
+ "col.column_default AS default\n" +
+ "FROM information_schema.columns col \n" +
+ "LEFT JOIN pg_description des ON col.table_name::regclass = des.objoid AND col.ordinal_position = des.objsubid\n" +
+ "WHERE table_name = ? " +
+ "AND table_schema = 'public' " +
+ "ORDER BY " +
"ordinal_position;";
try (PreparedStatement pStmt = CONN.prepareStatement(sql)) {
pStmt.setString(1, tableName);
@@ -1414,9 +1430,11 @@
return result;
}
- private static String getJavaType(String typeName) {
+ public static String getJavaType(String typeName) {
String result = "String";
switch (typeName) {
+ case "int2":
+ case "int4":
case "integer":
case "tinyint":
result = "Integer";
@@ -1439,6 +1457,7 @@
case "decimal":
result = "BigDecimal";
break;
+ case "int8":
case "bigint":
result = "Long";
break;
@@ -1452,7 +1471,7 @@
return result;
}
- private static String underline2Camel(String line, boolean... firstIsUpperCase) {
+ public static String underline2Camel(String line, boolean... firstIsUpperCase) {
String str = "";
if (StringUtil.isNullOrEmpty(line)) {
return str;
@@ -1512,4 +1531,216 @@
e.printStackTrace();
}
}
+
+ public static String toDBValue(Object value) {
+ String result;
+ if (value instanceof Number || value instanceof Boolean) {
+ result = value.toString();
+ } else if (value instanceof Timestamp) {
+ result = String.valueOf(((Timestamp) value).getTime());
+ } else if (value instanceof LocalDateTime) {
+ result = "'" + LocalDateTimeUtil.toFormatFullString((LocalDateTime) value) + "'";
+ } else if (value instanceof LocalDate) {
+ result = "'" + LocalDateTimeUtil.toFormatString((LocalDate) value) + "'";
+ } else if (value instanceof Date) {
+ result = "'" + LocalDateTimeUtil.toFormatFullString(((Date) value).getTime()) + "'";
+ } else if (value instanceof Calendar) {
+ result = "'" + CalendarUtil.toDateTimeMSStr((Calendar) value) + "'";
+ } else {
+ result = "'" + value.toString() + "'";
+ }
+ return result;
+ }
+
+ public static boolean genTable(String tableName, String tableDesc, List<Map<String, Object>> listColumn, Map<String, String> mapPK, Map<String, String> mapIndex) {
+ String sql = "DROP TABLE IF EXISTS \"public\".\"" + tableName + "\";\n" +
+ "CREATE TABLE \"public\".\"" + tableName + "\" (\n";
+
+ Map<String, String> mapColumnDesc = new HashMap<>();
+ int idx = 0;
+ // 遍历列，构建sql
+ for (Map<String, Object> column : listColumn) {
+ idx++;
+ String name = column.get("name").toString();
+ String type = column.get("type").toString();
+ String desc = column.get("description").toString();
+
+ mapColumnDesc.put(name,desc);
+
+ sql += "\t\""+ name +"\" " + type;
+ switch (type) {
+ case "char":
+ case "varchar":
+ case "nvarchar":
+ case "text":
+ String length = column.get("length").toString();
+ sql += "(" + length+ ") NOT NULL DEFAULT NULL::character varying";
+ break;
+ case "numeric":
+ case "decimal":
+ String numeric_precision = column.get("numeric_precision").toString();
+ String numeric_scale = column.get("numeric_scale").toString();
+ sql += "(" + numeric_precision+ ","+ numeric_scale +") NOT NULL DEFAULT 0";
+ break;
+ case "datetime":
+ case "timestamp":
+ String datetime_precision = column.get("datetime_precision").toString();
+ sql += "(" + datetime_precision +") NOT NULL DEFAULT PG_SYSTIMESTAMP()";
+ break;
+ case "int":
+ case "tinyint":
+ case "bit":
+ case "int2":
+ case "int4":
+ case "int8":
+ sql += " NOT NULL DEFAULT 0";
+ break;
+
+ default:
+ sql += " NULL DEFAULT NULL";
+ break;
+ }
+ if (idx < listColumn.size()) {
+ sql += ",";
+ }
+ sql += "\n";
+ }
+ sql += ")\n" +
+ ";\n" +
+ "COMMENT ON TABLE \"public\".\"" + tableName + "\" IS '" + tableDesc + "';\n";
+ // 构建字段描述sql
+ for (Map.Entry<String, String> desc : mapColumnDesc.entrySet()) {
+ sql += "COMMENT ON COLUMN \"public\".\"" + tableName + "\".\"" + desc.getKey() +"\" IS '" + desc.getValue().replace("\r\n", " ").replace("\n", " ") + "';\n";
+ }
+ // 设置主键
+ if (!mapPK.isEmpty()) {
+ for (Map.Entry<String, String> key : mapPK.entrySet()) {
+ sql += "ALTER TABLE \"public\".\"" + tableName + "\" ADD CONSTRAINT \"PK_" + tableName + "\" PRIMARY KEY (\"" + key.getValue() +"\");\n";
+ }
+ }
+ sql += "ALTER TABLE \"public\".\"" + tableName + "\" ADD CONSTRAINT \"PK_" + tableName + "\" PRIMARY KEY (\"id\");\n";
+ // 触发器：自动赋值最后更新时间
+ sql += "CREATE TRIGGER \"TG_" + tableName + "\" BEFORE UPDATE OF \"update_time\" ON \"public\".\"" + tableName + "\"\n" +
+ "FOR EACH ROW\n" +
+ "EXECUTE PROCEDURE \"public\".\"update_timestamp_column\"();";
+ // 遍历索引，构建sql
+ for (Map.Entry<String, String> index : mapIndex.entrySet()) {
+ if (!mapPK.containsKey(index.getKey())) {
+ sql += "CREATE INDEX \"" + index.getKey() + "\" ON \"public\".\"test_info\"(\"" + index.getValue() + "\");\n";
+ }
+ }
+ try (PreparedStatement pStmt = CONN.prepareCall(sql)) {
+ int[] result = pStmt.executeBatch();
+ return result != null;
+ } catch (Exception e) {
+ System.out.println(e);
+ return Boolean.FALSE;
+ }
+ }
+
+ public static Map<String, String> getPK(String tableName) {
+ Map<String, String> mapPK = new HashMap<>();
+ // 查询主键
+ String pkSq = "select pg_attribute.attname as col_name,pg_constraint.conname as pk_name\n" +
+ "from pg_constraint\n" +
+ "inner join pg_class on pg_constraint.conrelid=pg_class.oid\n" +
+ "inner join pg_attribute on pg_attribute.attrelid=pg_class.oid and pg_attribute.attnum=pg_constraint.conkey[1]\n" +
+ "where pg_class.relname='" + tableName + "'\n" +
+ "and pg_constraint.contype='p'";
+ try (PreparedStatement pStmt = CONN.prepareStatement(pkSq)) {
+ try (ResultSet rs = pStmt.executeQuery()) {
+ //获取键名
+ ResultSetMetaData md = rs.getMetaData();
+ //获取列的数量
+ int columnCount = md.getColumnCount();
+ while (rs.next()) {
+ String pk_name = rs.getString("pk_name");
+ String col_name = rs.getString("col_name");
+ mapPK.put(pk_name, col_name);
+ }
+ }
+ } catch (Exception e) {
+ System.out.println(e);
+ }
+ return mapPK;
+ }
+
+ public static Map<String, String> getIndex(String tableName) {
+ Map<String, String> mapPK = new HashMap<>();
+ // 查询主键
+ String pkSq = "SELECT * FROM pg_indexes WHERE tablename = '" + tableName +"';";
+ try (PreparedStatement pStmt = CONN.prepareStatement(pkSq)) {
+ try (ResultSet rs = pStmt.executeQuery()) {
+ //获取键名
+ ResultSetMetaData md = rs.getMetaData();
+ while (rs.next()) {
+ String indexname = rs.getString("indexname");
+ String indexdef = rs.getString("indexdef");
+ mapPK.put(indexname, indexdef);
+ }
+ }
+ } catch (Exception e) {
+ System.out.println(e);
+ }
+ return mapPK;
+ }
+
+ public static List<Map<String, Object>> getListAll(String tableName, String dbSchema) {
+ List<Map<String, Object>> result = new ArrayList<>();
+ String sql = "SELECT * FROM " + dbSchema + "." + tableName;
+ try (PreparedStatement pStmt = CONN.prepareStatement(sql)) {
+ try (ResultSet rs = pStmt.executeQuery()) {
+ //获取键名
+ ResultSetMetaData md = rs.getMetaData();
+ //获取列的数量
+ int columnCount = md.getColumnCount();
+ while (rs.next()) {
+ Map<String, Object> column = new HashMap<>();
+ for (int i = 1; i <= columnCount; i++) {
+ String keyName = md.getColumnLabel(i);
+ Object value = rs.getObject(i);
+ column.put(keyName, value);
+ }
+ result.add(column);
+ }
+ }
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ return result;
+ }
+
+ public static List<Boolean> insertAll(List<Map<String, Object>> list, String tableName, Integer onceCount) {
+ List<Boolean> result = new ArrayList<>();
+ String insertSql = "INSERT INTO public." + tableName + "(";
+ List<String> listColumn = new ArrayList<>();
+ for (String column : list.get(0).keySet()) {
+ listColumn.add(column);
+ }
+ insertSql += StringUtil.join(listColumn) + ") VALUES";
+
+ String sql = "";
+ for (int i = 0; i < list.size(); i++) {
+ if (StringUtil.isNullOrEmpty(sql)) {
+ sql = insertSql;
+ }
+ Map<String, Object> row = list.get(i);
+ List<String> listValue = new ArrayList<>();
+ for (Map.Entry<String, Object> item : row.entrySet()) {
+ listValue.add(GenCodeGauss.toDBValue(item.getValue()));
+ }
+ sql += "(" + StringUtil.join(listValue) + ")";
+ if (i > 0 && i % onceCount == 0) {
+ try (PreparedStatement pStmt = CONN.prepareStatement(sql)) {
+ boolean insertList = pStmt.execute();
+ result.add(insertList);
+ System.out.println("插入数据" + Math.max(i - onceCount, 0) + " - " + i + "，结果：" + insertList);
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ sql = "";
+ }
+ }
+ return result;
+ }
}
--
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