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feat(sql): Improve type decoding. Adds support for time and dates (#266)

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* feat(sql): Improve type decoding. Adds support for time and dates

* remove default feat

* typo
pull/269/head
Fabian-Lars 2 years ago committed by GitHub
parent 265acf7454
commit 1d52416f70
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 271 additions and 67 deletions
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4
Cargo.lock generated
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@ -3901,6 +3901,7 @@ dependencies = [
"sqlx-rt",
"stringprep",
"thiserror",
"time 0.3.17",
"tokio-stream",
"url",
"webpki-roots",
@ -4380,13 +4381,14 @@ dependencies = [
name = "tauri-plugin-sql"
version = "0.1.0"
dependencies = [
"futures",
"futures-core",
"log",
"serde",
"serde_json",
"sqlx",
"tauri",
"thiserror",
"time 0.3.17",
"tokio",
]

5
plugins/sql/Cargo.toml
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@ -15,9 +15,10 @@ serde_json.workspace = true
tauri.workspace = true
log.workspace = true
thiserror.workspace = true
sqlx = { version = "0.6", features = ["runtime-tokio-rustls", "json"] }
futures-core = "0.3"
sqlx = { version = "0.6", features = ["runtime-tokio-rustls", "json", "time"] }
time = "0.3"
tokio = { version = "1", features = ["sync"] }
futures = "0.3"
[features]
sqlite = ["sqlx/sqlite"]

15
plugins/sql/src/decode/mod.rs
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@ -0,0 +1,15 @@
#[cfg(feature = "mysql")]
mod mysql;
#[cfg(feature = "postgres")]
mod postgres;
#[cfg(feature = "sqlite")]
mod sqlite;
#[cfg(feature = "mysql")]
pub(crate) use mysql::to_json;
#[cfg(feature = "postgres")]
pub(crate) use postgres::to_json;
#[cfg(feature = "sqlite")]
pub(crate) use sqlite::to_json;

90
plugins/sql/src/decode/mysql.rs
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@ -0,0 +1,90 @@
use serde_json::Value as JsonValue;
use sqlx::{mysql::MySqlValueRef, TypeInfo, Value, ValueRef};
use time::{Date, OffsetDateTime, PrimitiveDateTime, Time};
use crate::Error;
pub(crate) fn to_json(v: MySqlValueRef) -> Result<JsonValue, Error> {
if v.is_null() {
return Ok(JsonValue::Null);
}
let res = match v.type_info().name() {
"CHAR" | "VARCHAR" | "TINYTEXT" | "TEXT" | "MEDIUMTEXT" | "LONGTEXT" | "ENUM" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode() {
JsonValue::String(v)
} else {
JsonValue::Null
}
}
"FLOAT" | "DOUBLE" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<f64>() {
JsonValue::from(v)
} else {
JsonValue::Null
}
}
"TINYINT" | "SMALLINT" | "INT" | "MEDIUMINT" | "BIGINT" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<i64>() {
JsonValue::Number(v.into())
} else {
JsonValue::Null
}
}
"TINYINT UNSIGNED" | "SMALLINT UNSIGNED" | "INT UNSIGNED" | "MEDIUMINT UNSIGNED"
| "BIGINT UNSIGNED" | "YEAR" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<u64>() {
JsonValue::Number(v.into())
} else {
JsonValue::Null
}
}
"BOOLEAN" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode() {
JsonValue::Bool(v)
} else {
JsonValue::Null
}
}
"DATE" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<Date>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"TIME" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<Time>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"DATETIME" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<PrimitiveDateTime>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"TIMESTAMP" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<OffsetDateTime>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"JSON" => ValueRef::to_owned(&v).try_decode().unwrap_or_default(),
"TINIYBLOB" | "MEDIUMBLOB" | "BLOB" | "LONGBLOB" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<Vec<u8>>() {
JsonValue::Array(v.into_iter().map(|n| JsonValue::Number(n.into())).collect())
} else {
JsonValue::Null
}
}
"NULL" => JsonValue::Null,
_ => return Err(Error::UnsupportedDatatype(v.type_info().name().to_string())),
};
Ok(res)
}

82
plugins/sql/src/decode/postgres.rs
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@ -0,0 +1,82 @@
use serde_json::Value as JsonValue;
use sqlx::{postgres::PgValueRef, TypeInfo, Value, ValueRef};
use time::{Date, OffsetDateTime, PrimitiveDateTime, Time};
use crate::Error;
pub(crate) fn to_json(v: PgValueRef) -> Result<JsonValue, Error> {
if v.is_null() {
return Ok(JsonValue::Null);
}
let res = match v.type_info().name() {
"CHAR" | "VARCHAR" | "TEXT" | "NAME" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode() {
JsonValue::String(v)
} else {
JsonValue::Null
}
}
"FLOAT4" | "FLOAT8" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<f64>() {
JsonValue::from(v)
} else {
JsonValue::Null
}
}
"INT2" | "INT4" | "INT8" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<i64>() {
JsonValue::Number(v.into())
} else {
JsonValue::Null
}
}
"BOOL" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode() {
JsonValue::Bool(v)
} else {
JsonValue::Null
}
}
"DATE" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<Date>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"TIME" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<Time>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"TIMESTAMP" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<PrimitiveDateTime>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"TIMESTAMPTZ" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<OffsetDateTime>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"JSON" | "JSONB" => ValueRef::to_owned(&v).try_decode().unwrap_or_default(),
"BYTEA" => {
if let Ok(v) = ValueRef::to_owned(&v).try_decode::<Vec<u8>>() {
JsonValue::Array(v.into_iter().map(|n| JsonValue::Number(n.into())).collect())
} else {
JsonValue::Null
}
}
"VOID" => JsonValue::Null,
_ => return Err(Error::UnsupportedDatatype(v.type_info().name().to_string())),
};
Ok(res)
}

74
plugins/sql/src/decode/sqlite.rs
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@ -0,0 +1,74 @@
use serde_json::Value as JsonValue;
use sqlx::{sqlite::SqliteValueRef, TypeInfo, Value, ValueRef};
use time::{Date, PrimitiveDateTime, Time};
use crate::Error;
pub(crate) fn to_json(v: SqliteValueRef) -> Result<JsonValue, Error> {
if v.is_null() {
return Ok(JsonValue::Null);
}
let res = match v.type_info().name() {
"TEXT" => {
if let Ok(v) = v.to_owned().try_decode() {
JsonValue::String(v)
} else {
JsonValue::Null
}
}
"REAL" => {
if let Ok(v) = v.to_owned().try_decode::<f64>() {
JsonValue::from(v)
} else {
JsonValue::Null
}
}
"INTEGER" | "NUMERIC" => {
if let Ok(v) = v.to_owned().try_decode::<i64>() {
JsonValue::Number(v.into())
} else {
JsonValue::Null
}
}
"BOOLEAN" => {
if let Ok(v) = v.to_owned().try_decode() {
JsonValue::Bool(v)
} else {
JsonValue::Null
}
}
"DATE" => {
if let Ok(v) = v.to_owned().try_decode::<Date>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"TIME" => {
if let Ok(v) = v.to_owned().try_decode::<Time>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"DATETIME" => {
if let Ok(v) = v.to_owned().try_decode::<PrimitiveDateTime>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"BLOB" => {
if let Ok(v) = v.to_owned().try_decode::<Vec<u8>>() {
JsonValue::Array(v.into_iter().map(|n| JsonValue::Number(n.into())).collect())
} else {
JsonValue::Null
}
}
"NULL" => JsonValue::Null,
_ => return Err(Error::UnsupportedDatatype(v.type_info().name().to_string())),
};
Ok(res)
}

11
plugins/sql/src/lib.rs
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@ -14,15 +14,6 @@ compile_error!(
"Database driver not defined. Please set the feature flag for the driver of your choice."
);
#[cfg(any(
all(feature = "sqlite", not(any(feature = "mysql", feature = "postgres"))),
all(feature = "mysql", not(any(feature = "sqlite", feature = "postgres"))),
all(feature = "postgres", not(any(feature = "sqlite", feature = "mysql"))),
))]
mod decode;
mod plugin;
#[cfg(any(
all(feature = "sqlite", not(any(feature = "mysql", feature = "postgres"))),
all(feature = "mysql", not(any(feature = "sqlite", feature = "postgres"))),
all(feature = "postgres", not(any(feature = "sqlite", feature = "mysql"))),
))]
pub use plugin::*;

57
plugins/sql/src/plugin.rs
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@ -2,7 +2,7 @@
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT
use futures::future::BoxFuture;
use futures_core::future::BoxFuture;
use serde::{ser::Serializer, Deserialize, Serialize};
use serde_json::Value as JsonValue;
use sqlx::{
@ -10,7 +10,7 @@ use sqlx::{
migrate::{
MigrateDatabase, Migration as SqlxMigration, MigrationSource, MigrationType, Migrator,
},
Column, Pool, Row, TypeInfo, ValueRef,
Column, Pool, Row,
};
use tauri::{
command,
@ -250,58 +250,7 @@ async fn select(
for (i, column) in row.columns().iter().enumerate() {
let v = row.try_get_raw(i)?;
let v = if v.is_null() {
JsonValue::Null
} else {
// TODO: postgresql's JSON type
match v.type_info().name() {
"VARCHAR" | "STRING" | "TEXT" | "TINYTEXT" | "LONGTEXT" | "NVARCHAR"
| "BIGVARCHAR" | "CHAR" | "BIGCHAR" | "NCHAR" | "DATETIME" | "DATE"
| "TIME" | "YEAR" | "TIMESTAMP" => {
if let Ok(s) = row.try_get(i) {
JsonValue::String(s)
} else {
JsonValue::Null
}
}
"BOOL" | "BOOLEAN" => {
if let Ok(b) = row.try_get(i) {
JsonValue::Bool(b)
} else {
let x: String = row.get(i);
JsonValue::Bool(x.to_lowercase() == "true")
}
}
"INT" | "NUMBER" | "INTEGER" | "BIGINT" | "INT2" | "INT4" | "INT8"
| "NUMERIC" | "TINYINT" | "SMALLINT" | "MEDIUMINT" | "TINYINT UNSINGED"
| "SMALLINT UNSINGED" | "INT UNSINGED" | "MEDIUMINT UNSINGED"
| "BIGINT UNSINGED" => {
if let Ok(n) = row.try_get::<i64, usize>(i) {
JsonValue::Number(n.into())
} else {
JsonValue::Null
}
}
"REAL" | "FLOAT" | "DOUBLE" | "FLOAT4" | "FLOAT8" => {
if let Ok(n) = row.try_get::<f64, usize>(i) {
JsonValue::from(n)
} else {
JsonValue::Null
}
}
"BLOB" | "TINYBLOB" | "MEDIUMBLOB" | "LONGBLOB" | "BINARY" | "VARBINARY"
| "BYTEA" => {
if let Ok(n) = row.try_get::<Vec<u8>, usize>(i) {
JsonValue::Array(
n.into_iter().map(|n| JsonValue::Number(n.into())).collect(),
)
} else {
JsonValue::Null
}
}
_ => return Err(Error::UnsupportedDatatype(v.type_info().name().to_string())),
}
};
let v = crate::decode::to_json(v)?;
value.insert(column.name().to_string(), v);
}

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