Merge pull request #207 from dataease/pr@dev@refactor_底层SQL拼接

backend/src/main/java/io/dataease/provider/doris/DorisConstants.java

+package io.dataease.provider.doris;
+
+import io.dataease.provider.SQLConstants;
+
+import static io.dataease.datasource.constants.DatasourceTypes.doris;
+import static io.dataease.datasource.constants.DatasourceTypes.mysql;
+
+/**
+ * @Author gin
+ * @Date 2021/7/8 7:22 下午
+ */
+public class DorisConstants extends SQLConstants {
+    public static final String KEYWORD_TABLE = doris.getKeywordPrefix() + "%s" + doris.getKeywordSuffix();
+
+    public static final String KEYWORD_FIX = "%s." + doris.getKeywordPrefix() + "%s" + doris.getKeywordSuffix();
+
+    public static final String UNIX_TIMESTAMP = "UNIX_TIMESTAMP(%s)";
+
+    public static final String DATE_FORMAT = "DATE_FORMAT(%s,'%s')";
+
+    public static final String FROM_UNIXTIME = "FROM_UNIXTIME(%s,'%s')";
+
+    public static final String CAST = "CAST(%s AS %s)";
+
+    public static final String DEFAULT_DATE_FORMAT = "%Y-%m-%d %H:%i:%S";
+
+    public static final String DEFAULT_INT_FORMAT = "DECIMAL(20,0)";
+
+    public static final String DEFAULT_FLOAT_FORMAT = "DECIMAL(20,2)";
+
+    public static final String WHERE_VALUE_NULL = "(NULL,'')";
+
+    public static final String WHERE_VALUE_VALUE = "'%s'";
+
+    public static final String AGG_COUNT = "COUNT(*)";
+
+    public static final String AGG_FIELD = "%s(%s)";
+
+    public static final String WHERE_BETWEEN = "'%s' AND '%s'";
+
+    public static final String BRACKETS = "(%s)";
+
+    public static final String ROUND = "ROUND(%s,%s)";
+}

backend/src/main/java/io/dataease/provider/mysql/MySQLConstants.java

@@ -27,7 +27,7 @@ public class MySQLConstants extends SQLConstants {
 
     public static final String DEFAULT_FLOAT_FORMAT = "DECIMAL(20,2)";
 
-    public static final String WHERE_VALUE_NULL = "(null,'')";
+    public static final String WHERE_VALUE_NULL = "(NULL,'')";
 
     public static final String WHERE_VALUE_VALUE = "'%s'";
 

backend/src/main/java/io/dataease/provider/oracle/OracleConstants.java

+package io.dataease.provider.oracle;
+
+import io.dataease.provider.SQLConstants;
+
+import static io.dataease.datasource.constants.DatasourceTypes.oracle;
+
+/**
+ * @Author gin
+ * @Date 2021/7/8 7:22 下午
+ */
+public class OracleConstants extends SQLConstants {
+    public static final String KEYWORD_TABLE = oracle.getKeywordPrefix() + "%s" + oracle.getKeywordSuffix();
+
+    public static final String KEYWORD_FIX = "%s." + oracle.getKeywordPrefix() + "%s" + oracle.getKeywordSuffix();
+
+    public static final String ALIAS_FIX = oracle.getAliasPrefix() + "%s" + oracle.getAliasSuffix();
+
+    public static final String UNIX_TIMESTAMP = "UNIX_TIMESTAMP(%s)";
+
+    public static final String DATE_FORMAT = "DATE_FORMAT(%s,'%s')";
+
+    public static final String FROM_UNIXTIME = "FROM_UNIXTIME(%s,'%s')";
+
+    public static final String CAST = "CAST(%s AS %s)";
+
+    public static final String DEFAULT_DATE_FORMAT = "YYYY-MM-DD HH24:MI:SS";
+
+    public static final String DEFAULT_INT_FORMAT = "DECIMAL(20,0)";
+
+    public static final String DEFAULT_FLOAT_FORMAT = "DECIMAL(20,2)";
+
+    public static final String WHERE_VALUE_NULL = "(NULL,'')";
+
+    public static final String WHERE_VALUE_VALUE = "'%s'";
+
+    public static final String AGG_COUNT = "COUNT(*)";
+
+    public static final String AGG_FIELD = "%s(%s)";
+
+    public static final String WHERE_BETWEEN = "'%s' AND '%s'";
+
+    public static final String BRACKETS = "(%s)";
+
+    public static final String TO_NUMBER = "TO_NUMBER(%s)";
+
+    public static final String TO_DATE = "TO_DATE(%s,'%s')";
+
+    public static final String TO_CHAR = "TO_CHAR(%s,'%s')";
+
+    public static final String DEFAULT_START_DATE = "'1970-01-01 8:0:0'";
+
+    public static final String TO_MS = " * 24 * 60 * 60 * 100";
+
+    public static final String CALC_SUB = "%s - %s";
+}