InputLayer User Guides

Guides from basics to advanced features.

Learning Path

Getting Started (15-30 minutes)

Guide	Description	Time
Quick Start	Get InputLayer running and execute your first query	5 min
Installation	Detailed installation options	10 min
First Program	Your first InputLayer program with facts and rules	15 min

Core Concepts (30-60 minutes)

Guide	Description	Time
Core Concepts	Data modeling, identity semantics, update patterns	20 min
REPL Guide	Interactive usage with the REPL	15 min

Client SDKs

Guide	Description	Time
Python SDK	Python OLM - define schemas, queries, rules, and migrations in pure Python	30 min

Advanced Features (60+ minutes)

Guide	Description	Time
Recursion	Recursive rules and transitive closure	20 min
Troubleshooting	Common errors and solutions	Reference

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Quick Examples

Hello World

// Add some facts
+person("alice")
+person("bob")

// Query all persons
?person(X)

Simple Rule

// Facts
+parent("alice", "bob")
+parent("bob", "charlie")

// Rule: grandparent relationship
+grandparent(X, Z) <- parent(X, Y), parent(Y, Z)

// Query
?grandparent(X, Y)

Aggregation

+score("alice", 95)
+score("bob", 87)
+score("charlie", 92)

// Average score
?avg<S> <- score(_, S)

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What's Next?

After completing the guides:

1. Reference - Quick lookup for commands and functions
2. Specification - Authoritative language specification
3. Internals - For contributors

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Need Help?

• Check Troubleshooting for common issues
• See Commands Reference for .help command
• Report issues at GitHub