init - add project files

2025-03-06 23:54:11 -05:00
commit e724ff1120
1363 changed files with 897467 additions and 0 deletions
--- a/tools/jet-2.12.0/generator/mysql/query_set.go
+++ b/tools/jet-2.12.0/generator/mysql/query_set.go
@@ -0,0 +1,91 @@
+package mysql
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"strings"
+
+	"github.com/go-jet/jet/v2/generator/metadata"
+	"github.com/go-jet/jet/v2/qrm"
+)
+
+// mySqlQuerySet is dialect query set for MySQL
+type mySqlQuerySet struct{}
+
+func (m mySqlQuerySet) GetTablesMetaData(db *sql.DB, schemaName string, tableType metadata.TableType) ([]metadata.Table, error) {
+	query := `
+SELECT
+		t.table_name as "table.name",
+		col.COLUMN_NAME AS "column.Name",
+		col.COLUMN_DEFAULT IS NOT NULL as "column.HasDefault",
+		col.IS_NULLABLE = "YES" AS "column.IsNullable",
+		col.COLUMN_COMMENT AS "column.Comment",
+		COALESCE(pk.IsPrimaryKey, 0) AS "column.IsPrimaryKey",
+		IF (col.COLUMN_TYPE = 'tinyint(1)',
+				'boolean',
+				IF (col.DATA_TYPE = 'enum',
+						CONCAT(col.TABLE_NAME, '_', col.COLUMN_NAME),
+						col.DATA_TYPE)
+		) AS "dataType.Name",
+		IF (col.DATA_TYPE = 'enum', 'enum', 'base') AS "dataType.Kind",
+		col.COLUMN_TYPE LIKE '%unsigned%' AS "dataType.IsUnsigned"
+FROM INFORMATION_SCHEMA.tables AS t
+INNER JOIN
+		information_schema.columns AS col
+		ON t.table_schema = col.table_schema AND t.table_name = col.table_name
+LEFT JOIN (
+		SELECT k.column_name, 1 AS IsPrimaryKey, k.table_name
+		FROM information_schema.table_constraints t
+		JOIN information_schema.key_column_usage k USING(constraint_name, table_schema, table_name)
+		WHERE t.table_schema =  ?
+			AND t.constraint_type = 'PRIMARY KEY'
+) AS pk ON col.COLUMN_NAME = pk.column_name AND col.table_name = pk.table_name 
+WHERE t.table_schema = ?
+	AND t.table_type = ?
+ORDER BY
+		t.table_name,
+		col.ordinal_position;
+	`
+
+	var tables []metadata.Table
+
+	_, err := qrm.Query(context.Background(), db, query, []interface{}{schemaName, schemaName, tableType}, &tables)
+	if err != nil {
+		return nil, fmt.Errorf("failed to query column meta data: %w", err)
+	}
+
+	return tables, nil
+}
+
+func (m mySqlQuerySet) GetEnumsMetaData(db *sql.DB, schemaName string) ([]metadata.Enum, error) {
+	query := `
+SELECT (CASE c.DATA_TYPE WHEN 'enum' then CONCAT(c.TABLE_NAME, '_', c.COLUMN_NAME) ELSE '' END ) as "name", 
+       SUBSTRING(c.COLUMN_TYPE,5) as "values"
+FROM information_schema.columns as c
+	INNER JOIN information_schema.tables  as t on (t.table_schema = c.table_schema AND t.table_name = c.table_name)
+WHERE c.table_schema = ? AND DATA_TYPE = 'enum';
+`
+	var queryResult []struct {
+		Name   string
+		Values string
+	}
+
+	_, err := qrm.Query(context.Background(), db, query, []interface{}{schemaName}, &queryResult)
+	if err != nil {
+		return nil, fmt.Errorf("failed to query enums meta data: %w", err)
+	}
+
+	var ret []metadata.Enum
+
+	for _, result := range queryResult {
+		enumValues := strings.Replace(result.Values[1:len(result.Values)-1], "'", "", -1)
+
+		ret = append(ret, metadata.Enum{
+			Name:   result.Name,
+			Values: strings.Split(enumValues, ","),
+		})
+	}
+
+	return ret, nil
+}