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support CREATE/DROP STAGE for Snowflake #833
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alamb
merged 1 commit into
sqlparser-rs:main
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pawel-big-lebowski:snowflake/create-drop-stage
Mar 26, 2023
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pub mod stmt_create_table; | ||
pub mod stmt_data_loading; |
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// 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. | ||
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//! AST types specific to loading and unloading syntax, like one available in Snowflake which | ||
//! contains: STAGE ddl operations, PUT upload or COPY INTO | ||
//! See [this page](https://docs.snowflake.com/en/sql-reference/commands-data-loading) for more details. | ||
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#[cfg(not(feature = "std"))] | ||
use alloc::string::String; | ||
#[cfg(not(feature = "std"))] | ||
use alloc::vec::Vec; | ||
use core::fmt; | ||
use core::fmt::Formatter; | ||
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#[cfg(feature = "serde")] | ||
use serde::{Deserialize, Serialize}; | ||
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#[cfg(feature = "visitor")] | ||
use sqlparser_derive::{Visit, VisitMut}; | ||
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)] | ||
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))] | ||
#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))] | ||
pub struct StageParamsObject { | ||
pub url: Option<String>, | ||
pub encryption: DataLoadingOptions, | ||
pub endpoint: Option<String>, | ||
pub storage_integration: Option<String>, | ||
pub credentials: DataLoadingOptions, | ||
} | ||
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)] | ||
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))] | ||
#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))] | ||
pub struct DataLoadingOptions { | ||
pub options: Vec<DataLoadingOption>, | ||
} | ||
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)] | ||
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))] | ||
#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))] | ||
pub enum DataLoadingOptionType { | ||
STRING, | ||
BOOLEAN, | ||
ENUM, | ||
} | ||
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)] | ||
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))] | ||
#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))] | ||
pub struct DataLoadingOption { | ||
pub option_name: String, | ||
pub option_type: DataLoadingOptionType, | ||
pub value: String, | ||
} | ||
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impl fmt::Display for StageParamsObject { | ||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | ||
let url = &self.url.as_ref(); | ||
let storage_integration = &self.storage_integration.as_ref(); | ||
let endpoint = &self.endpoint.as_ref(); | ||
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if url.is_some() { | ||
write!(f, " URL='{}'", url.unwrap())?; | ||
} | ||
if storage_integration.is_some() { | ||
write!(f, " STORAGE_INTEGRATION={}", storage_integration.unwrap())?; | ||
} | ||
if endpoint.is_some() { | ||
write!(f, " ENDPOINT='{}'", endpoint.unwrap())?; | ||
} | ||
if !self.credentials.options.is_empty() { | ||
write!(f, " CREDENTIALS=({})", self.credentials)?; | ||
} | ||
if !self.encryption.options.is_empty() { | ||
write!(f, " ENCRYPTION=({})", self.encryption)?; | ||
} | ||
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Ok(()) | ||
} | ||
} | ||
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impl fmt::Display for DataLoadingOptions { | ||
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result { | ||
if !self.options.is_empty() { | ||
for option in &self.options { | ||
write!(f, "{}", option)?; | ||
if !option.eq(self.options.last().unwrap()) { | ||
write!(f, " ")?; | ||
} | ||
} | ||
} | ||
Ok(()) | ||
} | ||
} | ||
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impl fmt::Display for DataLoadingOption { | ||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { | ||
match self.option_type { | ||
DataLoadingOptionType::STRING => { | ||
write!(f, "{}='{}'", self.option_name, self.value)?; | ||
} | ||
DataLoadingOptionType::ENUM => { | ||
// single quote is omitted | ||
write!(f, "{}={}", self.option_name, self.value)?; | ||
} | ||
DataLoadingOptionType::BOOLEAN => { | ||
// single quote is omitted | ||
write!(f, "{}={}", self.option_name, self.value)?; | ||
} | ||
} | ||
Ok(()) | ||
} | ||
} |
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could you add a link to the docs? https://docs.snowflake.com/en/sql-reference/sql/create-stage