Major version update. Refactor sql generator function. Add core select directives like SUM, MIN, MAX, etc

2026-04-18 07:24:01 +01:00
parent 0a3320ff83
commit f3f1c42699
23 changed files with 1275 additions and 662 deletions
@@ -0,0 +1,42 @@
+import sqlGenGrabConcatStr from "./sql-generator-grab-concat-str";
+export default function sqlGenGrabSelectFieldSQL({ selectFields, append_table_names, table_name }) {
+    let str = "";
+    str += ` ${selectFields
+        ?.map((fld) => {
+        let fld_str = ``;
+        const final_fld_name = typeof fld == "object"
+            ? append_table_names
+                ? `${table_name}.${String(fld)}`
+                : `${String(fld.fieldName)}`
+            : `${String(fld)}`;
+        if (typeof fld == "object") {
+            const fld_name = `${String(fld.fieldName)}`;
+            if (fld.count) {
+                fld_str += `COUNT(${fld_name})`;
+                if (fld.count.alias) {
+                    fld_str += ` AS ${fld.count.alias}`;
+                }
+            }
+            else if (fld.sum) {
+                fld_str += `SUM(${fld_name}) AS ${fld.sum.alias}`;
+            }
+            else if (fld.group_concat) {
+                fld_str += sqlGenGrabConcatStr({
+                    field: fld_name,
+                    alias: fld.group_concat.alias,
+                    separator: fld.group_concat.separator,
+                });
+            }
+            else {
+                fld_str +=
+                    final_fld_name + (fld.alias ? ` as ${fld.alias}` : ``);
+            }
+        }
+        else {
+            fld_str += final_fld_name;
+        }
+        return fld_str;
+    })
+        .join(",")}`;
+    return str;
+}