From 6b7b2214ef457a953381226dc42354d237d6b295 Mon Sep 17 00:00:00 2001 From: liulin <lin.liu@aliyun.com> Date: 星期二, 13 八月 2024 00:39:26 +0800 Subject: [PATCH] 导出mysql --- src/test/java/com/lunhan/xxx/host/GenCodeGauss.java | 449 +++++++++++++++++++++++++++++++++++++++++-------------- 1 files changed, 333 insertions(+), 116 deletions(-) diff --git a/src/test/java/com/lunhan/xxx/host/GenCodeGauss.java b/src/test/java/com/lunhan/xxx/host/GenCodeGauss.java index 86923dd..8b089c9 100644 --- a/src/test/java/com/lunhan/xxx/host/GenCodeGauss.java +++ b/src/test/java/com/lunhan/xxx/host/GenCodeGauss.java @@ -13,6 +13,7 @@ import java.time.LocalDateTime; import java.util.Date; import java.util.*; +import java.util.stream.Collectors; public class GenCodeGauss { private static final String HOST = "113.250.189.120"; @@ -22,7 +23,7 @@ private static final String DB_NAME = "water_basic"; private static final String AUTHOR = "lin.liu"; - private static Connection CONN = null; + public static Connection CONN = null; private static final String DRIVER = "org.postgresql.Driver"; private static final String CONNECTION_STR = "jdbc:postgresql://" + HOST + ":" + PORT + "/" + DB_NAME; @@ -143,7 +144,9 @@ "import com.lunhan.xxx.entity.dto.*;", "import com.lunhan.xxx.entity.enums.*;", "import com.lunhan.xxx.repository.BasicMapperImpl;", - "import org.springframework.stereotype.Repository;" + "import org.springframework.stereotype.Repository;", + "", + "import java.util.List;" }; //endregion @@ -213,12 +216,12 @@ //#endregion //#region 编辑接口忽略字段配置 - private static final List<String> NO_UPDATE_COLUMNS = Arrays.asList( + private static final List<String> NO_UPDATE_COLUMNS = Arrays.asList( "create_time", "create_user", "create_user_id", "create_user_name", "update_time", "update_user", "update_user_id", "update_user_name", "datachange_lasttime", "data_change_last_time", "is_delete" ); - private static final List<String> UPDATE_TIME_COLUMNS = Arrays.asList( + private static final List<String> UPDATE_TIME_COLUMNS = Arrays.asList( "update_time", "datachange_lasttime", "data_change_last_time" ); //#endregion @@ -242,7 +245,7 @@ * 只生成以下配置的表 */ private static final List<String> ONLY_TABLES = Arrays.asList( - "admin_menus" + ); public static void main(String[] args) { @@ -250,7 +253,7 @@ System.out.println("conn is null."); return; } - Map<String, String> tables = getTables(DB_NAME); + Map<String, String> tables = getTables(CONN, DB_NAME); for (Map.Entry<String, String> table : tables.entrySet()) { String tableName = table.getKey(); String tableDesc = table.getValue(); @@ -258,7 +261,7 @@ if (ONLY_TABLES.size() > 0 && BooleanUtils.isFalse(ONLY_TABLES.contains(tableName))) { continue; } - List<Map<String, Object>> columns = getColumns(tableName, DB_NAME); + List<Map<String, Object>> columns = getColumns(CONN, tableName); genPO(columns, tableDesc); genVO(columns, tableDesc); genCreateDto(columns, tableName, tableDesc); @@ -331,16 +334,18 @@ listColumn.add("(type = IdType.ASSIGN_ID)"); } } - String columnAnnotation = "\t@TableField(\"" + name + "\""; - //忽略最后修改时间这一列的新增和编辑 + if (!"id".equals(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"; // } + listColumn.add(columnAnnotation + ")"); + } if ("datachange_lasttime".equalsIgnoreCase(name)) { propName = "dataChangeLastTime"; columnNameUpper = "DataChangeLastTime"; } - listColumn.add(columnAnnotation + ")"); //追加列 listColumn.add(String.format("\tprivate %s %s;", javaType, propName)); @@ -358,7 +363,7 @@ } content.append(ConstantFactory.STR_NEWLINE); content.append(SET_CLASS_DESC_TPL - .replaceAll("\\{\\#\\=desc\\}", tableDesc) + .replaceAll("\\{\\#\\=desc\\}", tableDesc == null ? modelName : tableDesc) .replaceAll("\\{\\#\\=author\\}", AUTHOR) .replaceAll("\\{\\#\\=date\\}", LocalDateTimeUtil.todayStr().replaceAll("\\-", "/")) ); @@ -376,8 +381,10 @@ content.append(ConstantFactory.STR_NEWLINE); content.append(StringUtil.join(listColumn, ConstantFactory.STR_NEWLINE)); content.append(ConstantFactory.STR_NEWLINE); - content.append(StringUtil.join(listGetterSetter, ConstantFactory.STR_NEWLINE)); - content.append(ConstantFactory.STR_NEWLINE); + if (!isData) { + content.append(StringUtil.join(listGetterSetter, ConstantFactory.STR_NEWLINE)); + content.append(ConstantFactory.STR_NEWLINE); + } content.append("}"); writeFile(GenCodeGauss.OutSet.PO, modelName + GenCodeGauss.SuffixSet.PO + ".java", content.toString()); @@ -419,14 +426,13 @@ content.append(ConstantFactory.STR_NEWLINE); content.append(SET_CLASS_DESC_TPL - .replaceAll("\\{\\#\\=desc\\}", tableDesc) + .replaceAll("\\{\\#\\=desc\\}", tableDesc == null ? modelName : tableDesc) .replaceAll("\\{\\#\\=author\\}", AUTHOR) .replaceAll("\\{\\#\\=date\\}", LocalDateTimeUtil.todayStr().replaceAll("\\-", "/")) ); content.append(ConstantFactory.STR_NEWLINE); if (isData) { content.append("@Data"); - content.append(ConstantFactory.STR_NEWLINE); } content.append(ConstantFactory.STR_NEWLINE); content.append("public class "); @@ -465,11 +471,17 @@ String modelName = underline2Camel(tableName, true); String searchName = "Search" + modelName; String tableNamePackage = tableName.toLowerCase().replaceAll("_", ""); + boolean isData = Objects.equals(SET_PO_Getter, 2); StringBuilder content = new StringBuilder(); content.append("package "); content.append(GenCodeGauss.PackageSet.SEARCH + ConstantFactory.STR_SEMICOLON); content.append(ConstantFactory.STR_NEWLINE); + if (isData) { + content.append(ConstantFactory.STR_NEWLINE); + content.append("import lombok.Data;"); + content.append(ConstantFactory.STR_NEWLINE); + } if (SET_SEARCH_IMPORT.length > 0) { content.append(ConstantFactory.STR_NEWLINE); for (String s : SET_SEARCH_IMPORT) { @@ -479,40 +491,46 @@ } content.append(ConstantFactory.STR_NEWLINE); content.append(SET_CLASS_DESC_TPL - .replaceAll("\\{\\#\\=desc\\}", tableDesc) + .replaceAll("\\{\\#\\=desc\\}", tableDesc == null ? modelName : tableDesc) .replaceAll("\\{\\#\\=author\\}", AUTHOR) .replaceAll("\\{\\#\\=date\\}", LocalDateTimeUtil.todayStr().replaceAll("\\-", "/")) ); + if (isData) { + content.append(ConstantFactory.STR_NEWLINE); + content.append("@Data"); + } content.append(ConstantFactory.STR_NEWLINE); content.append("public class " + searchName + " extends SearchBasicDTO {"); content.append(ConstantFactory.STR_NEWLINE); - content.append("\t@Override"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\tpublic String toString() {"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t\treturn \"" + searchName + "{\" + \"'\" +"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t\t\t\"keywords='\" + getKeywords() +"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t\t\t\", listId =\" + getListId() +"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t\t\t\", status =\" + getStatus() +"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t\t\t\", listStatus =\" + getListStatus() +"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t\t\t\", createTimeRange='\" + getCreateTimeRange() + \"'\" +"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t\t\t\", createTimeStart =\" + getCreateTimeEnd() +"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t\t\t\", createTimeEnd =\" + getCreateTimeEnd() +"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t\t\t\", lastId =\" + getListId() +"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t\t\t\", orderBy='\" + getOrderBy() + \"'\" +"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t\t'}';"); - content.append(ConstantFactory.STR_NEWLINE); - content.append("\t}"); + if (!isData) { + content.append("\t@Override"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\tpublic String toString() {"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t\treturn \"" + searchName + "{\" + \"'\" +"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t\t\t\"keywords='\" + getKeywords() +"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t\t\t\", listId =\" + getListId() +"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t\t\t\", status =\" + getStatus() +"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t\t\t\", listStatus =\" + getListStatus() +"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t\t\t\", createTimeRange='\" + getCreateTimeRange() + \"'\" +"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t\t\t\", createTimeStart =\" + getCreateTimeEnd() +"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t\t\t\", createTimeEnd =\" + getCreateTimeEnd() +"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t\t\t\", lastId =\" + getListId() +"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t\t\t\", orderBy='\" + getOrderBy() + \"'\" +"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t\t'}';"); + content.append(ConstantFactory.STR_NEWLINE); + content.append("\t}"); + } content.append(ConstantFactory.STR_NEWLINE); content.append("}"); @@ -558,7 +576,7 @@ content.append(poName + ";\n"); content.append(ConstantFactory.STR_NEWLINE); content.append(SET_CLASS_DESC_TPL - .replaceAll("\\{\\#\\=desc\\}", tableDesc) + .replaceAll("\\{\\#\\=desc\\}", tableDesc == null ? modelName : tableDesc) .replaceAll("\\{\\#\\=author\\}", AUTHOR) .replaceAll("\\{\\#\\=date\\}", LocalDateTimeUtil.todayStr().replaceAll("\\-", "/")) ); @@ -568,7 +586,7 @@ content.append(daoName); content.append(" extends BasicMapperImpl<"); content.append(modelName + GenCodeGauss.SuffixSet.PO); - content.append("> {"); + content.append(", " + mapperName + "> {"); content.append(ConstantFactory.STR_NEWLINE); content.append("\t" + daoName + "(" + mapperName + " mapper) {\n"); content.append("\t\tsuper(mapper);\n"); @@ -624,15 +642,15 @@ "\t\t\t\t\tswitch (orderBy) {\n" + "\t\t\t\t\t\t// 主键\n" + "\t\t\t\t\t\tcase ID:\n" + - "\t\t\t\t\t\t\tqueryWrapper.orderByAsc(" + poName + "::getId);\n" + + "\t\t\t\t\t\t\tqueryWrapper.orderByDesc(" + poName + "::getId);\n" + "\t\t\t\t\t\t\tbreak;\n" + "\t\t\t\t\t\t// 数据创建时间\n" + "\t\t\t\t\t\tcase CREATE_TIME:\n" + - "\t\t\t\t\t\t\tqueryWrapper.orderByAsc(" + poName + "::getCreateTime);\n" + + "\t\t\t\t\t\t\tqueryWrapper.orderByDesc(" + poName + "::getCreateTime);\n" + "\t\t\t\t\t\t\tbreak;\n" + "\t\t\t\t\t\t// 最后更新时间\n" + "\t\t\t\t\t\tcase UPDATE_TIME:\n" + - "\t\t\t\t\t\t\tqueryWrapper.orderByAsc(" + poName + "::getUpdateTime);\n" + + "\t\t\t\t\t\t\tqueryWrapper.orderByDesc(" + poName + "::getUpdateTime);\n" + "\t\t\t\t\t\t\tbreak;\n" + "\t\t\t\t\t}\n" + "\t\t\t\t}\n" + @@ -640,9 +658,28 @@ "\t\t} else {\n" + "\t\t\tqueryWrapper.orderByDesc(" + poName + "::getId);\n" + "\t\t}\n" + - "\t\tPage<" + poName + "> pageResult = DB.selectPage(new Page<>(search.getPage(), search.getLimit()), queryWrapper);\n" + + "\t\tPage<" + poName + "> pageResult = super.selectPage(new Page<>(search.getPage(), search.getLimit()), queryWrapper);\n" + "\t\treturn new PagerResult<>(pageResult.getSize(), pageResult.getPages(), pageResult.getTotal(), pageResult.getRecords());\n" + - "\t}"); + "\t}\n" + + "\n" + + "\tpublic Boolean add(" + poName + " item) {\n" + + "\t\tint rowCount = super.insert(item);\n" + + "\t\treturn rowCount == 1;\n" + + "\t}\n" + + "\n" + + "\tpublic Boolean addNotIncrement(" + poName + " item) {\n" + + "\t\tint rowCount = super.insert(item);\n" + + "\t\treturn rowCount == 1;\n" + + "\t}\n" + + "\n" + + "\tpublic " + poName + " getById(Long id) {\n" + + "\t\treturn super.get(id);\n" + + "\t}\n" + + "\n" + + "\tpublic List<" + poName + "> getListById(List<Long> listId) {\n" + + "\t\treturn super.getList(listId);\n" + + "\t}\n" + ); content.append("}"); if (new File(GenCodeGauss.OutSet.MAPPER_IMPL + daoName + ".java").exists()) { @@ -731,14 +768,13 @@ } content.append(ConstantFactory.STR_NEWLINE); content.append(SET_CLASS_DESC_TPL - .replaceAll("\\{\\#\\=desc\\}", tableDesc) + .replaceAll("\\{\\#\\=desc\\}", tableDesc == null ? modelName : tableDesc) .replaceAll("\\{\\#\\=author\\}", AUTHOR) .replaceAll("\\{\\#\\=date\\}", LocalDateTimeUtil.todayStr().replaceAll("\\-", "/")) ); content.append(ConstantFactory.STR_NEWLINE); if (isData) { content.append("@Data"); - content.append(ConstantFactory.STR_NEWLINE); } content.append(ConstantFactory.STR_NEWLINE); content.append("public class "); @@ -747,8 +783,10 @@ content.append(ConstantFactory.STR_NEWLINE); content.append(StringUtil.join(listColumn, ConstantFactory.STR_NEWLINE)); content.append(ConstantFactory.STR_NEWLINE); - content.append(StringUtil.join(listGetterSetter, ConstantFactory.STR_NEWLINE)); - content.append(ConstantFactory.STR_NEWLINE); + if (!isData) { + content.append(StringUtil.join(listGetterSetter, ConstantFactory.STR_NEWLINE)); + content.append(ConstantFactory.STR_NEWLINE); + } content.append("}"); if (new File(GenCodeGauss.OutSet.RequestDTO + tableNamePackage + "/" + createDTOName + ".java").exists()) { @@ -823,14 +861,13 @@ } content.append(ConstantFactory.STR_NEWLINE); content.append(SET_CLASS_DESC_TPL - .replaceAll("\\{\\#\\=desc\\}", tableDesc) + .replaceAll("\\{\\#\\=desc\\}", tableDesc == null ? modelName : tableDesc) .replaceAll("\\{\\#\\=author\\}", AUTHOR) .replaceAll("\\{\\#\\=date\\}", LocalDateTimeUtil.todayStr().replaceAll("\\-", "/")) ); content.append(ConstantFactory.STR_NEWLINE); if (isData) { content.append("@Data"); - content.append(ConstantFactory.STR_NEWLINE); } content.append(ConstantFactory.STR_NEWLINE); content.append("public class "); @@ -839,8 +876,10 @@ content.append(ConstantFactory.STR_NEWLINE); content.append(StringUtil.join(listColumn, ConstantFactory.STR_NEWLINE)); content.append(ConstantFactory.STR_NEWLINE); - content.append(StringUtil.join(listGetterSetter, ConstantFactory.STR_NEWLINE)); - content.append(ConstantFactory.STR_NEWLINE); + if (!isData) { + content.append(StringUtil.join(listGetterSetter, ConstantFactory.STR_NEWLINE)); + content.append(ConstantFactory.STR_NEWLINE); + } content.append("}"); if (new File(GenCodeGauss.OutSet.RequestDTO + tableNamePackage + "/" + modifyDTOName + ".java").exists()) { @@ -896,7 +935,7 @@ content.append(ConstantFactory.STR_NEWLINE); content.append(SET_CLASS_DESC_TPL - .replaceAll("\\{\\#\\=desc\\}", tableDesc) + .replaceAll("\\{\\#\\=desc\\}", tableDesc == null ? modelName : tableDesc) ); content.append(ConstantFactory.STR_NEWLINE); content.append("@Mapper"); @@ -971,7 +1010,7 @@ content.append(responseDTOName + ";\n"); content.append(ConstantFactory.STR_NEWLINE); content.append(SET_CLASS_DESC_TPL - .replaceAll("\\{\\#\\=desc\\}", tableDesc) + .replaceAll("\\{\\#\\=desc\\}", tableDesc == null ? modelName : tableDesc) .replaceAll("\\{\\#\\=author\\}", AUTHOR) .replaceAll("\\{\\#\\=date\\}", LocalDateTimeUtil.todayStr().replaceAll("\\-", "/")) ); @@ -991,7 +1030,7 @@ " // 设置记录创建时间\n" + " item.setCreateTime(LocalDateTimeUtil.nowTimeStamp());\n" + " // 是否删除(逻辑删除)初始值\n" + - " //item.setIsDelete(EYesOrNo.NO.getValue());\n" + + " item.setIsDelete(EYesOrNo.NO.getValue());\n" + "\n" + " int rowCount = mapper.insert(item);\n" + " if (rowCount != 1) {\n" + @@ -1156,7 +1195,7 @@ " 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" + @@ -1231,7 +1270,7 @@ content.append(responseDTOName + ";\n"); content.append(ConstantFactory.STR_NEWLINE); content.append(SET_CLASS_DESC_TPL - .replaceAll("\\{\\#\\=desc\\}", tableDesc) + .replaceAll("\\{\\#\\=desc\\}", tableDesc == null ? modelName : tableDesc) .replaceAll("\\{\\#\\=author\\}", AUTHOR) .replaceAll("\\{\\#\\=date\\}", LocalDateTimeUtil.todayStr().replaceAll("\\-", "/")) ); @@ -1350,7 +1389,7 @@ content.append(ConstantFactory.STR_NEWLINE); content.append(ConstantFactory.STR_NEWLINE); content.append(SET_CLASS_DESC_TPL - .replaceAll("\\{\\#\\=desc\\}", tableDesc + " mapper") + .replaceAll("\\{\\#\\=desc\\}", tableDesc == null ? modelName : tableDesc + " mapper") .replaceAll("\\{\\#\\=author\\}", AUTHOR) .replaceAll("\\{\\#\\=date\\}", LocalDateTimeUtil.todayStr().replaceAll("\\-", "/")) ); @@ -1368,7 +1407,7 @@ //#endregion - public static Map<String, String> getTables(String dbSchema) { + public static Map<String, String> getTables(Connection connect, String dbSchema) { // dbSchema="public"; Map<String, String> result = new LinkedHashMap<>(); String sql = "SELECT tb.table_name, d.description AS TABLE_COMMENT" + @@ -1376,7 +1415,7 @@ " JOIN pg_class c ON c.relname = tb.table_name" + " LEFT JOIN pg_description d ON d.objoid = c.oid AND d.objsubid = '0'" + " WHERE tb.table_schema = 'public' "; - try (PreparedStatement pStmt = CONN.prepareStatement(sql)) { + try (PreparedStatement pStmt = connect.prepareStatement(sql)) { //pStmt.setString(1, dbSchema); try (ResultSet rs = pStmt.executeQuery()) { while (rs.next()) { @@ -1391,7 +1430,7 @@ return result; } - public static List<Map<String, Object>> getColumns(String tableName, String dbSchema) { + public static List<Map<String, Object>> getColumns(Connection connect, String tableName) { List<Map<String, Object>> result = new ArrayList<>(); 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" + @@ -1406,7 +1445,7 @@ "AND table_schema = 'public' " + "ORDER BY " + "ordinal_position;"; - try (PreparedStatement pStmt = CONN.prepareStatement(sql)) { + try (PreparedStatement pStmt = connect.prepareStatement(sql)) { pStmt.setString(1, tableName); // pStmt.setString(2, "public"); try (ResultSet rs = pStmt.executeQuery()) { @@ -1534,6 +1573,9 @@ public static String toDBValue(Object value) { String result; + if (null == value) { + return ""; + } if (value instanceof Number || value instanceof Boolean) { result = value.toString(); } else if (value instanceof Timestamp) { @@ -1552,40 +1594,61 @@ 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"; + public static List<String> genTable(String tableName, String tableDesc, List<Map<String, Object>> listColumn, Map<String, String> mapPK, Map<String, String> mapIndex) { + List<String> list = new ArrayList<>(); + + String sql = "CREATE TABLE \"public\".\"" + tableName + "\" (\n"; Map<String, String> mapColumnDesc = new HashMap<>(); int idx = 0; + + list.add("-- " + tableName + " - " + tableDesc + "\nDROP TABLE IF EXISTS \"public\".\"" + tableName + "\";\n"); + // 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(); + Object desc = column.get("description"); + Object isNullable = column.get("isNullable"); - mapColumnDesc.put(name,desc); + mapColumnDesc.put(name, ParameterUtil.dealNullStr(desc)); - sql += "\t\""+ name +"\" " + type; + sql += "\t\"" + name + "\" " + GenCodeGauss.dbType2Gauss(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"; + if (Objects.nonNull(column.get("length"))) { + String length = column.get("length").toString(); + sql += "(" + length + ")"; + } + if ("1".equals(isNullable)) { + sql += " NULL DEFAULT NULL"; + } else { + sql += " 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"; + sql += "(" + numeric_precision + "," + numeric_scale + ")"; + if ("1".equals(isNullable)) { + sql += " NULL DEFAULT NULL"; + } else { + sql += " 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()"; + sql += "(" + datetime_precision + ")"; + if ("1".equals(isNullable)) { + sql += " NULL DEFAULT NULL"; + } else { + sql += " NOT NULL DEFAULT pg_systimestamp()"; + } break; case "int": case "tinyint": @@ -1593,7 +1656,12 @@ case "int2": case "int4": case "int8": - sql += " NOT NULL DEFAULT 0"; + case "bigint": + if ("1".equals(isNullable)) { + sql += " NULL DEFAULT NULL"; + } else { + sql += " NOT NULL DEFAULT 0"; + } break; default: @@ -1605,40 +1673,91 @@ } sql += "\n"; } - sql += ")\n" + - ";\n" + - "COMMENT ON TABLE \"public\".\"" + tableName + "\" IS '" + tableDesc + "';\n"; + sql += ");\n"; + list.add(sql); + sql = ""; + + sql += "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"; + sql += "COMMENT ON COLUMN \"public\".\"" + tableName + "\".\"" + desc.getKey() + "\" IS '" + desc.getValue().replace("\r\n", " ").replace("\n", " ") + "';\n"; } + list.add("-- 字段描述\n" + sql); + sql = ""; + // 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 (\"" + 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" + + list.add("-- 设置主键\n" + sql); + sql = ""; + + // 触发器:自动赋值最后更新时间 + sql += "CREATE TRIGGER \"TG_" + tableName + "\" BEFORE INSERT OR UPDATE ON \"public\".\"" + tableName + "\"\n" + "FOR EACH ROW\n" + "EXECUTE PROCEDURE \"public\".\"update_timestamp_column\"();"; + list.add("-- 触发器:自动赋值最后更新时间\n" + sql); + sql = ""; + list.add("-- 创建索引\n"); // 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"; + list.add(sql); + sql = ""; } } - try (PreparedStatement pStmt = CONN.prepareCall(sql)) { - int[] result = pStmt.executeBatch(); - return result != null; + return list; + } + + private static String dbType2Gauss(String type) { + String result = ""; + switch (type) { + case "char": + case "nvarchar": + result = "varchar"; + break; + + case "longtext": + result = "text"; + break; + + case "decimal": + result = "numeric"; + break; + case "datetime": + result = "timestamp"; + break; + + case "bit": + case "tinyint": + result = "int2"; + break; + + case "int": + result = "int4"; + break; + + default: + result = type; + break; + } + return result; + } + + public static boolean execSql(Connection connect, String sql) { + try(PreparedStatement pst = connect.prepareStatement(sql)) { + int rowCount = pst.executeUpdate(); + return rowCount > 0; } catch (Exception e) { - System.out.println(e); - return Boolean.FALSE; + return false; } } - public static Map<String, String> getPK(String tableName) { + public static Map<String, String> getPK(Connection connect, 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" + @@ -1647,7 +1766,7 @@ "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 (PreparedStatement pStmt = connect.prepareStatement(pkSq)) { try (ResultSet rs = pStmt.executeQuery()) { //获取键名 ResultSetMetaData md = rs.getMetaData(); @@ -1665,11 +1784,11 @@ return mapPK; } - public static Map<String, String> getIndex(String tableName) { + public static Map<String, String> getIndex(Connection connect, 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)) { + String pkSq = "SELECT * FROM pg_indexes WHERE tablename = '" + tableName + "';"; + try (PreparedStatement pStmt = connect.prepareStatement(pkSq)) { try (ResultSet rs = pStmt.executeQuery()) { //获取键名 ResultSetMetaData md = rs.getMetaData(); @@ -1685,10 +1804,9 @@ return mapPK; } - public static List<Map<String, Object>> getListAll(String tableName, String dbSchema) { + public static List<Map<String, Object>> getListAll(Connection connect, String sql) { List<Map<String, Object>> result = new ArrayList<>(); - String sql = "SELECT * FROM " + dbSchema + "." + tableName; - try (PreparedStatement pStmt = CONN.prepareStatement(sql)) { + try (PreparedStatement pStmt = connect.prepareStatement(sql)) { try (ResultSet rs = pStmt.executeQuery()) { //获取键名 ResultSetMetaData md = rs.getMetaData(); @@ -1710,14 +1828,17 @@ 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 + "("; + public static List<String> insertAll(List<Map<String, Object>> list, String tableName, Integer onceCount) { + List<String> result = new ArrayList<>(); + String insertSql = "INSERT INTO public.\"" + tableName + "\"(\""; List<String> listColumn = new ArrayList<>(); for (String column : list.get(0).keySet()) { - listColumn.add(column); + if ("update_time".equalsIgnoreCase(column)) { + continue; + } + listColumn.add("\"" + column + "\""); } - insertSql += StringUtil.join(listColumn) + ") VALUES"; + insertSql += StringUtil.join(listColumn, "\",\"") + "\") VALUES"; String sql = ""; for (int i = 0; i < list.size(); i++) { @@ -1725,22 +1846,118 @@ sql = insertSql; } Map<String, Object> row = list.get(i); - List<String> listValue = new ArrayList<>(); + + List<Object> listColValue = 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(); + if ("update_time".equalsIgnoreCase(item.getKey())) { + continue; } + listColValue.add(item.getValue()); + } + sql += "\n(" + StringUtil.join(listColValue.stream().map(GenCodeGauss::getSqlValue).collect(Collectors.toList())) + "),"; + + if (i > 0 && i % onceCount == 0) { + sql = sql.substring(0, sql.length() - 1); + + result.add(sql + ";"); + sql = ""; } } + if (StringUtil.isNotNullOrEmpty(sql)) { + sql = sql.substring(0, sql.length() - 1); + + result.add(sql + ";"); + } return result; } + private static String getSqlValue(Object value) { + if (Objects.isNull(value)) { + return "null"; + } + if (value instanceof String) { + return "'" + value + "'"; + } + if (value instanceof Date) { + return "'" + LocalDateTimeUtil.toFormatFullString(((Date)value).getTime()) + "'"; + } + if (value instanceof LocalDate) { + return "'" + LocalDateTimeUtil.toFormatString((LocalDate)value) + "'"; + } + if (value instanceof LocalDateTime) { + return "'" + LocalDateTimeUtil.toFormatFullString((LocalDateTime)value) + "'"; + } + if (value instanceof Calendar) { + return "'" + CalendarUtil.toDateTimeMSStr((Calendar)value) + "'"; + } + return value.toString(); + } + + public static String getAutoUpdateTimeFunction() { + return "CREATE OR REPLACE FUNCTION \"public\".\"update_timestamp_column\"()\n" + + " RETURNS \"pg_catalog\".\"trigger\" AS $BODY$\n" + + "BEGIN\n" + + "NEW.update_time := current_timestamp;\n" + + "RETURN NEW;\n" + + "END;\n" + + "$BODY$\n" + + " LANGUAGE plpgsql VOLATILE\n" + + " COST 100"; + } + + public static List<String> export(Connection connect, String dbSchema, boolean isData, boolean isAutoUpdateTimeFunc) { + List<String> listTable = new ArrayList<>(); + List<String> listData = new ArrayList<>(); + if (isAutoUpdateTimeFunc) { + listTable.add(GenCodeGauss.getAutoUpdateTimeFunction()); + } + // 获取所有表 + Map<String, String> tables = GenCodeGauss.getTables(connect, dbSchema); + // 遍历所有表 + for (Map.Entry<String, String> table : tables.entrySet()) { + String tabName = table.getKey(); + String tabDesc = table.getValue(); + + // 获取所有列 + List<Map<String, Object>> listCol = GenCodeGauss.getColumns(connect, tabName); + + Map<String, String> mapPK = GenCodeGauss.getPK(connect, tabName); + + Map<String, String> mapIndex = GenCodeGauss.getIndex(connect, tabName); + + // 生成表的sql + List<String> listGenTable = GenCodeGauss.genTable(tabName, tabDesc, listCol, mapPK, mapIndex); + listTable.addAll(listGenTable); + + if (isData) { + // 获取mysql表所有数据 + String sqlSelect = "SELECT * FROM " + table.getKey(); + Integer count = 1; + Integer pageSize = ConstantFactory.NUM500; + String orderBy = "id"; + Object lastId = null; + while (count > 0) { + count = 0; + String sql = sqlSelect + (Objects.isNull(lastId) ? "" : " WHERE " + orderBy + " > " + GenCodeGauss.toDBValue(lastId) + "") + " ORDER BY " + orderBy + " LIMIT " + pageSize; + List<Map<String, Object>> list = GenCodeGauss.getListAll(connect, sql); + if (ListUtil.isNullOrEmpty(list)) { + continue; + } + count = list.size(); + lastId = list.get(list.size() - 1).get(orderBy); + + // 批量插入gauss数据库 + List<String> insertAll = GenCodeGauss.insertAll(list, table.getKey(), ConstantFactory.NUM50); + listData.add(StringUtil.join(insertAll, "\n")); + } + } + } + if (ListUtil.isNotNullOrEmpty(listData)) { + listTable.addAll(listData); + } + return listTable; + } + public static List<String> export(Connection connect, String dbSchema) { + return GenCodeGauss.export(connect, dbSchema, Boolean.TRUE, Boolean.TRUE); + } } -- Gitblit v1.9.3