SamQL

SamQL provides an SQL-like query language to filter and retrieve alignments from Sequence Alignment/Map (SAM) and Binary Alignment/Map (BAM) files for structured interrogation of sequencing alignment data.

Key Features:

• SQL-Like Syntax: An SQL-like query language tailored to SAM/BAM formats for structured filtering and selection of alignment records.
• Complex Query Support: Supports intricate query expressions to perform advanced selection and Boolean logic on alignment fields and tags.
• Compatibility with Large Datasets: Operates directly on existing SAM and BAM files without requiring data transformation.
• Go Implementation and Multicore Utilization: Implemented in Go and designed to leverage modern multicore computing systems for performance and scalability.
• Structured Alternative to Shell One-Liners: Provides a programmatic querying approach intended to replace ad-hoc Bash one-liners for SAM/BAM interrogation.

Scientific Applications:

• Large-scale sequencing data filtering: Enables targeted retrieval and filtering of alignments from SAM/BAM files in high-throughput sequencing projects.
• Genomic data interrogation: Facilitates structured queries on alignment records and tags for downstream genomic analyses and interpretation.
• Foundational component for genomics databases: Serves as a step toward building structured database engines for genomics by providing a query layer for SAM/BAM data.

Methodology:

Provides a comprehensive SQL-like query language that operates directly on SAM and BAM files and is implemented in Go to leverage multicore computing for query execution.