- Core engine with MemTable, SST, WAL - B+Tree indexing for SST files - Leveled compaction strategy - Multi-table database management - Schema validation and secondary indexes - Query builder with complex conditions - Web UI with HTMX for data visualization - Command-line tools for diagnostics
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
package commands
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import (
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"fmt"
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"log"
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"os"
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"path/filepath"
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"sort"
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"strconv"
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"strings"
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"code.tczkiot.com/srdb/sst"
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)
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// InspectAllSST 检查所有 SST 文件
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func InspectAllSST(sstDir string) {
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// List all SST files
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files, err := os.ReadDir(sstDir)
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if err != nil {
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log.Fatal(err)
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}
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var sstFiles []string
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for _, file := range files {
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if strings.HasSuffix(file.Name(), ".sst") {
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sstFiles = append(sstFiles, file.Name())
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}
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}
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sort.Strings(sstFiles)
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fmt.Printf("Found %d SST files\n\n", len(sstFiles))
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// Inspect each file
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for _, filename := range sstFiles {
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sstPath := filepath.Join(sstDir, filename)
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reader, err := sst.NewReader(sstPath)
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if err != nil {
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fmt.Printf("%s: ERROR - %v\n", filename, err)
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continue
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}
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header := reader.GetHeader()
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allKeys := reader.GetAllKeys()
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// Extract file number
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numStr := strings.TrimPrefix(filename, "000")
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numStr = strings.TrimPrefix(numStr, "00")
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numStr = strings.TrimPrefix(numStr, "0")
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numStr = strings.TrimSuffix(numStr, ".sst")
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fileNum, _ := strconv.Atoi(numStr)
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fmt.Printf("File #%d (%s):\n", fileNum, filename)
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fmt.Printf(" Header: MinKey=%d MaxKey=%d RowCount=%d\n", header.MinKey, header.MaxKey, header.RowCount)
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fmt.Printf(" Actual: %d keys", len(allKeys))
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if len(allKeys) > 0 {
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fmt.Printf(" [%d ... %d]", allKeys[0], allKeys[len(allKeys)-1])
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}
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fmt.Printf("\n")
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// Check if header matches actual keys
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if len(allKeys) > 0 {
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if header.MinKey != allKeys[0] || header.MaxKey != allKeys[len(allKeys)-1] {
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fmt.Printf(" *** MISMATCH: Header says %d-%d but file has %d-%d ***\n",
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header.MinKey, header.MaxKey, allKeys[0], allKeys[len(allKeys)-1])
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}
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}
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reader.Close()
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}
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}
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