81 lines
2 KiB
Go
81 lines
2 KiB
Go
package jet
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import (
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"context"
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"runtime"
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"strings"
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"time"
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)
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// PrintableStatement is a statement which sql query can be logged
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type PrintableStatement interface {
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Sql() (query string, args []interface{})
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DebugSql() (query string)
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}
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// LoggerFunc is a function user can implement to support automatic statement logging.
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type LoggerFunc func(ctx context.Context, statement PrintableStatement)
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var logger LoggerFunc
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// SetLoggerFunc sets automatic statement logging
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func SetLoggerFunc(loggerFunc LoggerFunc) {
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logger = loggerFunc
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}
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func callLogger(ctx context.Context, statement Statement) {
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if logger != nil {
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logger(ctx, statement)
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}
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}
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// QueryInfo contains information about executed query
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type QueryInfo struct {
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Statement PrintableStatement
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// Depending on how the statement is executed, RowsProcessed is:
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// - Number of rows returned for Query() and QueryContext() methods
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// - RowsAffected() for Exec() and ExecContext() methods
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// - Always 0 for Rows() method.
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RowsProcessed int64
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Duration time.Duration
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Err error
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}
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// QueryLoggerFunc is a function user can implement to retrieve more information about statement executed.
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type QueryLoggerFunc func(ctx context.Context, info QueryInfo)
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var queryLoggerFunc QueryLoggerFunc
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// SetQueryLogger sets automatic query logging function.
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func SetQueryLogger(loggerFunc QueryLoggerFunc) {
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queryLoggerFunc = loggerFunc
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}
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func callQueryLoggerFunc(ctx context.Context, info QueryInfo) {
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if queryLoggerFunc != nil {
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queryLoggerFunc(ctx, info)
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}
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}
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// Caller returns information about statement caller
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func (q QueryInfo) Caller() (file string, line int, function string) {
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skip := 4
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// depending on execution type (Query, QueryContext, Exec, ...) looped once or twice
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for {
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var pc uintptr
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var ok bool
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pc, file, line, ok = runtime.Caller(skip)
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if !ok {
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return
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}
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funcDetails := runtime.FuncForPC(pc)
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if !strings.Contains(funcDetails.Name(), "github.com/go-jet/jet/v2/internal") {
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function = funcDetails.Name()
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return
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}
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skip++
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}
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}
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