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blocking.go
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blocking.go
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package blocking
import (
"context"
"fmt"
"regexp"
"github.com/go-errors/errors"
"github.com/jackc/pgconn"
"github.com/jackc/pgx/v4"
"github.com/spf13/afero"
"github.com/supabase/cli/internal/inspect"
"github.com/supabase/cli/internal/migration/list"
"github.com/supabase/cli/internal/utils"
"github.com/supabase/cli/internal/utils/pgxv5"
)
type Result struct {
Blocked_pid int
Blocking_statement string
Blocking_duration string
Blocking_pid int
Blocked_statement string
Blocked_duration string
}
func Run(ctx context.Context, config pgconn.Config, fsys afero.Fs, options ...func(*pgx.ConnConfig)) error {
conn, err := utils.ConnectByConfig(ctx, config, options...)
if err != nil {
return err
}
rows, err := conn.Query(ctx, inspect.BLOCKING_QUERY)
if err != nil {
return errors.Errorf("failed to query rows: %w", err)
}
result, err := pgxv5.CollectRows[Result](rows)
if err != nil {
return err
}
table := "|blocked pid|blocking statement|blocking duration|blocking pid|blocked statement|blocked duration|\n|-|-|-|-|-|-|\n"
for _, r := range result {
// remove whitespace from query
re := regexp.MustCompile(`\s+|\r+|\n+|\t+|\v`)
blocking_statement := re.ReplaceAllString(r.Blocking_statement, " ")
blocked_statement := re.ReplaceAllString(r.Blocked_statement, " ")
// escape pipes in query
re = regexp.MustCompile(`\|`)
blocking_statement = re.ReplaceAllString(blocking_statement, `\|`)
blocked_statement = re.ReplaceAllString(blocked_statement, `\|`)
table += fmt.Sprintf("|`%d`|`%s`|`%s`|`%d`|%s|`%s`|\n", r.Blocked_pid, blocking_statement, r.Blocking_duration, r.Blocking_pid, blocked_statement, r.Blocked_duration)
}
return list.RenderTable(table)
}