Method recs_scan

Method: recs_scan()

Turkce Dokumantasyon | English Documentation

Category: Low-Level Access Methods
Submodule: AmberDB::Base
Entry Type: C-Level Sequential Table Scanning

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1. Definition and Overview

recs_scan() performs high-speed sequential key-value scans directly on an open Berkeley DB (DB_File) handle using C-level seq operations.

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2. Syntax and Scan Modes

# 1. Custom iterator callback
$adb->recs_scan($file_path, sub {
    my ($key, $raw_val) = @_;
    print "Key: $key\n";
});

# 2. Extract keys only
my @keys = $adb->recs_scan($file_path, "keys");

# 3. Extract raw values only
my @values = $adb->recs_scan($file_path, "values");

# 4. Extract [key, value] pairs
my @pairs = $adb->recs_scan($file_path, "each");

# 5. Extract full hash map
my %all_data = $adb->recs_scan($file_path, "hash");

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3. See Also

• Method: recs_get
• Method: recs_put
• Method: recs_del