解决 JOIN ON 不支持 @cast，感谢 lindaifeng 的贡献~ Tencent#785

TommyLemon · web-flow · commit 99b910a76931 · 2024-12-22T20:26:36.000+08:00
Tencent#785
diff --git a/APIJSONORM/src/main/java/apijson/orm/AbstractSQLConfig.java b/APIJSONORM/src/main/java/apijson/orm/AbstractSQLConfig.java
@@ -4847,9 +4847,10 @@ protected String concatJoinOn(@NotNull String sql, @NotNull String quote, @NotNu
 
 				String rt = on.getRelateType();
 				if (StringUtil.isEmpty(rt, false)) {
-					//解决join不支持@cast问题
-					Map castMap = j.getJoinConfig().getCast();
-					if (castMap.isEmpty()) {
+					// 解决 JOIN ON 不支持 @cast 问题
+					SQLConfig jc = j.getJoinConfig();
+					Map<String, String> castMap = jc == null ? null : jc.getCast();
+					if (castMap == null || castMap.isEmpty()) {
 						sql += (first ? ON : AND) + quote + jt + quote + "." + quote + on.getKey() + quote + (isNot ? " != " : " = ")
 								+ quote + on.getTargetTable() + quote + "." + quote + on.getTargetKey() + quote;
 					} else {
