Added a SQL-Preprocessor - this way we can unmarshal recursive structures (LEFT JOIN etc)

scnserver/db/dbtools/logger.go

@@ -0,0 +1,90 @@
+package dbtools
+
+import (
+	"context"
+	"fmt"
+	"github.com/rs/zerolog/log"
+	"gogs.mikescher.com/BlackForestBytes/goext/sq"
+	"strings"
+)
+
+type DBLogger struct{}
+
+func (l DBLogger) PrePing(ctx context.Context) error {
+	log.Debug().Msg("[SQL-PING]")
+
+	return nil
+}
+
+func (l DBLogger) PreTxBegin(ctx context.Context, txid uint16) error {
+	log.Debug().Msg(fmt.Sprintf("[SQL-TX<%d>-START]", txid))
+
+	return nil
+}
+
+func (l DBLogger) PreTxCommit(txid uint16) error {
+	log.Debug().Msg(fmt.Sprintf("[SQL-TX<%d>-COMMIT]", txid))
+
+	return nil
+}
+
+func (l DBLogger) PreTxRollback(txid uint16) error {
+	log.Debug().Msg(fmt.Sprintf("[SQL-TX<%d>-ROLLBACK]", txid))
+
+	return nil
+}
+
+func (l DBLogger) PreQuery(ctx context.Context, txID *uint16, sql *string, params *sq.PP) error {
+	if txID == nil {
+		log.Debug().Msg(fmt.Sprintf("[SQL-QUERY] %s", fmtSQLPrint(*sql)))
+	} else {
+		log.Debug().Msg(fmt.Sprintf("[SQL-TX<%d>-QUERY] %s", *txID, fmtSQLPrint(*sql)))
+	}
+
+	return nil
+}
+
+func (l DBLogger) PreExec(ctx context.Context, txID *uint16, sql *string, params *sq.PP) error {
+	if txID == nil {
+		log.Debug().Msg(fmt.Sprintf("[SQL-EXEC] %s", fmtSQLPrint(*sql)))
+	} else {
+		log.Debug().Msg(fmt.Sprintf("[SQL-TX<%d>-EXEC] %s", *txID, fmtSQLPrint(*sql)))
+	}
+
+	return nil
+}
+
+func (l DBLogger) PostPing(result error) {
+	//
+}
+
+func (l DBLogger) PostTxBegin(txid uint16, result error) {
+	//
+}
+
+func (l DBLogger) PostTxCommit(txid uint16, result error) {
+	//
+}
+
+func (l DBLogger) PostTxRollback(txid uint16, result error) {
+	//
+}
+
+func (l DBLogger) PostQuery(txID *uint16, sqlOriginal string, sqlReal string, params sq.PP) {
+	//
+}
+
+func (l DBLogger) PostExec(txID *uint16, sqlOriginal string, sqlReal string, params sq.PP) {
+	//
+}
+
+func fmtSQLPrint(sql string) string {
+	if strings.Contains(sql, ";") {
+		return "(...multi...)"
+	}
+
+	sql = strings.ReplaceAll(sql, "\r", "")
+	sql = strings.ReplaceAll(sql, "\n", " ")
+
+	return sql
+}