Add sql.Tx.Exec/Query... support
Add sql.Tx.Exec/Query... support

Ref: https://golang.org/pkg/database/sql/#Tx.ExecContext
github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql-go,github/codeql,github/codeql,github/codeql-go,github/codeql,github/codeql,github/codeql-go,github/codeql-go,github/codeql,github/codeql,github/codeql