add sqlite example

.gitignore

@@ -16,6 +16,7 @@ target/
 !/examples/greeting/artifacts/*.wasm
 !/examples/ipfs_node/artifacts/*.wasm
 !/examples/records/artifacts/*.wasm
+!/examples/sqlite/artifacts/sqlite_test.wasm
 
 # Allowed Wasm files for test
 !/fluence-faas/tests/json_wasm_tests/arguments_passing/artifacts/effector.wasm

Cargo.lock

@@ -43,7 +43,7 @@ checksum = "6b602bfe940d21c130f3895acd65221e8a61270debe89d628b9cb4e3ccb8569b"
 name = "arguments-passing-test"
 version = "0.1.0"
 dependencies = [
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
  "safe-transmute",
 ]
 
@@ -166,7 +166,7 @@ checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 name = "call_parameters"
 version = "0.1.0"
 dependencies = [
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
 ]
 
 [[package]]
@@ -375,7 +375,7 @@ dependencies = [
 name = "curl"
 version = "0.1.0"
 dependencies = [
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
  "log",
 ]
 
@@ -619,6 +619,15 @@ dependencies = [
  "wasmer-wasi-fl",
 ]
 
+[[package]]
+name = "fce-sqlite-connector"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3931a7a9f133e94246ff2c36a14b66d3ea16e8460e715b982bd8974e56151b7b"
+dependencies = [
+ "fluence 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "fce-wit-generator"
 version = "0.1.6"
@@ -673,6 +682,16 @@ dependencies = [
  "fluence-sdk-main 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
 ]
 
+[[package]]
+name = "fluence"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47a382fa3506247e84d799645523c56ebfcb4cdefb45671dd31f8664cfc86007"
+dependencies = [
+ "fluence-sdk-macro 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fluence-sdk-main 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "fluence-app-service"
 version = "0.1.6"
@@ -1106,7 +1125,7 @@ dependencies = [
 name = "inner-records-test"
 version = "0.1.0"
 dependencies = [
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
  "safe-transmute",
 ]
 
@@ -1145,7 +1164,7 @@ dependencies = [
 name = "ipfs-effector"
 version = "0.1.0"
 dependencies = [
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
  "log",
 ]
 
@@ -1153,7 +1172,7 @@ dependencies = [
 name = "ipfs-pure"
 version = "0.1.0"
 dependencies = [
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
  "log",
 ]
 
@@ -1232,7 +1251,7 @@ checksum = "f2f96b10ec2560088a8e76961b00d47107b3a625fecb76dedb29ee7ccbf98235"
 name = "local_storage"
 version = "0.1.0"
 dependencies = [
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
  "log",
 ]
 
@@ -1721,7 +1740,7 @@ dependencies = [
 name = "record-effector"
 version = "0.1.0"
 dependencies = [
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
  "test-record",
 ]
 
@@ -1729,7 +1748,7 @@ dependencies = [
 name = "record-pure"
 version = "0.1.0"
 dependencies = [
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
  "test-record",
 ]
 
@@ -2014,7 +2033,7 @@ name = "site-storage"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
  "log",
 ]
 
@@ -2158,7 +2177,7 @@ dependencies = [
 name = "test-record"
 version = "0.1.0"
 dependencies = [
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
 ]
 
 [[package]]
@@ -2593,7 +2612,15 @@ checksum = "1d649a3145108d7d3fbcde896a468d1bd636791823c9921135218ad89be08307"
 name = "wasm-greeting"
 version = "0.1.0"
 dependencies = [
- "fluence",
+ "fluence 0.2.3 (git+https://github.com/fluencelabs/rust-sdk)",
+]
+
+[[package]]
+name = "wasm-sqlite-test"
+version = "0.1.0"
+dependencies = [
+ "fce-sqlite-connector",
+ "fluence 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]

Cargo.toml

@@ -4,6 +4,7 @@ members = [
     "crates/wit-interfaces",
     "crates/wit-parser",
     "engine",
+    "examples/call_parameters",
     "examples/greeting",
     "examples/ipfs-node/effector",
     "examples/ipfs-node/pure",
@@ -13,7 +14,7 @@ members = [
     "examples/site-storage/site-storage",
     "examples/site-storage/curl",
     "examples/site-storage/local_storage",
-    "examples/call_parameters",
+    "examples/sqlite",
     "fluence-app-service",
     "fluence-faas",
     "fluence-faas/tests/json_wasm_tests/arguments_passing",

engine/src/module/type_converters.rs

@@ -44,7 +44,7 @@ pub(super) fn itype_to_wtype(ty: &IType) -> WType {
         ty => {
             eprintln!("trying to convert {:?}", ty);
             unimplemented!()
-        },
+        }
     }
 }
 

examples/sqlite/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "wasm-sqlite-test"
+version = "0.1.0"
+authors = ["Fluence Labs"]
+edition = "2018"
+
+[[bin]]
+name = "sqlite_test"
+path = "src/main.rs"
+
+[dependencies]
+fluence = "0.2.3"
+fce-sqlite-connector = "0.1.0"

examples/sqlite/Config.toml

@@ -0,0 +1,11 @@
+modules_dir = "artifacts/"
+
+[[module]]
+    name = "sqlite3"
+    mem_pages_count = 100
+    logger_enabled = false
+
+[[module]]
+name = "sqlite_test"
+    mem_pages_count = 1
+    logger_enabled = false

examples/sqlite/build.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# This script builds all subprojects and puts all created Wasm modules in one dir
+cargo update
+fce build --release
+
+rm artifacts/*
+cp ../../target/wasm32-wasi/release/sqlite_test.wasm artifacts/
+wget https://github.com/fluencelabs/sqlite/releases/download/v0.7.0_w/sqlite3.wasm
+mv sqlite3.wasm artifacts/

examples/sqlite/src/main.rs

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2020 Fluence Labs Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+use fluence::fce;
+use fce_sqlite_connector;
+use fce_sqlite_connector::State;
+
+pub fn main() {}
+
+#[fce]
+pub fn test1() {
+    let connection = fce_sqlite_connector::open(":memory:").unwrap();
+
+    connection
+        .execute(
+            "
+            CREATE TABLE users (name TEXT, age INTEGER);
+            INSERT INTO users VALUES ('Alice', 42);
+            INSERT INTO users VALUES ('Bob', 69);
+        ",
+        )
+        .unwrap();
+
+    let mut statement = connection
+        .prepare("SELECT * FROM users WHERE age > ?")
+        .unwrap();
+
+    statement.bind(1, 50).unwrap();
+
+    while let State::Row = statement.next().unwrap() {
+        println!("name = {}", statement.read::<String>(0).unwrap());
+        println!("age = {}", statement.read::<i64>(1).unwrap());
+    }
+}
+
+#[fce]
+pub fn test2() {
+    use fce_sqlite_connector::Value;
+
+    let connection = fce_sqlite_connector::open(":memory:").unwrap();
+
+    connection
+        .execute(
+            "
+            CREATE TABLE users (name TEXT, age INTEGER);
+            INSERT INTO users VALUES ('Alice', 42);
+            INSERT INTO users VALUES ('Bob', 69);
+        ",
+        )
+        .unwrap();
+
+    let mut cursor = connection
+        .prepare("SELECT * FROM users WHERE age > ?")
+        .unwrap()
+        .cursor();
+
+    cursor.bind(&[Value::Integer(50)]).unwrap();
+
+    while let Some(row) = cursor.next().unwrap() {
+        println!("name = {}", row[0].as_string().unwrap());
+        println!("age = {}", row[1].as_integer().unwrap());
+    }
+}