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delta-ruby

Delta Lake for Ruby

Supports local files and Amazon S3

Build Status

Installation

Add this line to your application’s Gemfile:

gem"deltalake-rb"

It can take 5-10 minutes to compile the gem.

Getting Started

Write data from Polars

df=Polars::DataFrame.new({"id"=>[1,2],"value"=>[3.0,4.0]})DeltaLake.write("./events",df)

Load a table

dt=DeltaLake::Table.new("./events")df=dt.to_polars

Get a lazy frame

lf=dt.to_polars(eager: false)

Append rows

DeltaLake.write("./events",df,mode: "append")

Overwrite a table

DeltaLake.write("./events",df,mode: "overwrite")

Add a constraint

dt.alter.add_constraint({"id_gt_0"=>"id > 0"})

Drop a constraint

dt.alter.drop_constraint("id_gt_0")

Delete rows

dt.delete("id > 1")

Vacuum

dt.vacuum(dry_run: false)

Perform small file compaction

dt.optimize.compact

Colocate similar data in the same files

dt.optimize.z_order(["category"])

Load a previous version of a table

dt=DeltaLake::Table.new("./events",version: 1)# ordt.load_as_version(1)

Get the schema

dt.schema

Get metadata

dt.metadata

Get history

dt.history

API

This library follows the Delta Lake Python API (with a few changes to make it more Ruby-like). You can follow Python tutorials and convert the code to Ruby in many cases. Feel free to open an issue if you run into problems.

History

View the changelog

Contributing

Everyone is encouraged to help improve this project. Here are a few ways you can help:

To get started with development:

git clone https://github.com/ankane/delta-ruby.git
cd delta-ruby
bundle install
bundle exec rake compile
bundle exec rake test

About

Delta Lake for Ruby

Resources

Stars

35 stars

Watchers

2 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all
 blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
GitHub - ankane/delta-ruby: Delta Lake for Ruby · GitHub
Skip to content

Repository files navigation

delta-ruby

Delta Lake for Ruby

Supports local files and Amazon S3

Build Status

Installation

Add this line to your application’s Gemfile:

gem"deltalake-rb"

It can take 5-10 minutes to compile the gem.

Getting Started

Write data from Polars

df=Polars::DataFrame.new({"id"=>[1,2],"value"=>[3.0,4.0]})DeltaLake.write("./events",df)

Load a table

dt=DeltaLake::Table.new("./events")df=dt.to_polars

Get a lazy frame

lf=dt.to_polars(eager: false)

Append rows

DeltaLake.write("./events",df,mode: "append")

Overwrite a table

DeltaLake.write("./events",df,mode: "overwrite")

Add a constraint

dt.alter.add_constraint({"id_gt_0"=>"id > 0"})

Drop a constraint

dt.alter.drop_constraint("id_gt_0")

Delete rows

dt.delete("id > 1")

Vacuum

dt.vacuum(dry_run: false)

Perform small file compaction

dt.optimize.compact

Colocate similar data in the same files

dt.optimize.z_order(["category"])

Load a previous version of a table

dt=DeltaLake::Table.new("./events",version: 1)# ordt.load_as_version(1)

Get the schema

dt.schema

Get metadata

dt.metadata

Get history

dt.history

API

This library follows the Delta Lake Python API (with a few changes to make it more Ruby-like). You can follow Python tutorials and convert the code to Ruby in many cases. Feel free to open an issue if you run into problems.

History

View the changelog

Contributing

Everyone is encouraged to help improve this project. Here are a few ways you can help:

To get started with development:

git clone https://github.com/ankane/delta-ruby.git
cd delta-ruby
bundle install
bundle exec rake compile
bundle exec rake test

About

Delta Lake for Ruby

Resources

Stars

35 stars

Watchers

2 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Force GitHub README to respect dark mode (function() { var style = document.createElement('style'); style.textContent = ' .markdown-body { color-scheme: dark light; } .markdown-body pre { background: #161b22 !important; } .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; } .markdown-body table th, .markdown-body table td { border-color: #30363d !important; } .markdown-body img { background: #0d1117; } .markdown-body blockquote { border-left-color: #8b949e; } .markdown-body hr { border-color: #30363d; } '; document.head.appendChild(style); })(); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - ankane/delta-ruby: Delta Lake for Ruby · GitHub
Skip to content

Repository files navigation

delta-ruby

Delta Lake for Ruby

Supports local files and Amazon S3

Build Status

Installation

Add this line to your application’s Gemfile:

gem"deltalake-rb"

It can take 5-10 minutes to compile the gem.

Getting Started

Write data from Polars

df=Polars::DataFrame.new({"id"=>[1,2],"value"=>[3.0,4.0]})DeltaLake.write("./events",df)

Load a table

dt=DeltaLake::Table.new("./events")df=dt.to_polars

Get a lazy frame

lf=dt.to_polars(eager: false)

Append rows

DeltaLake.write("./events",df,mode: "append")

Overwrite a table

DeltaLake.write("./events",df,mode: "overwrite")

Add a constraint

dt.alter.add_constraint({"id_gt_0"=>"id > 0"})

Drop a constraint

dt.alter.drop_constraint("id_gt_0")

Delete rows

dt.delete("id > 1")

Vacuum

dt.vacuum(dry_run: false)

Perform small file compaction

dt.optimize.compact

Colocate similar data in the same files

dt.optimize.z_order(["category"])

Load a previous version of a table

dt=DeltaLake::Table.new("./events",version: 1)# ordt.load_as_version(1)

Get the schema

dt.schema

Get metadata

dt.metadata

Get history

dt.history

API

This library follows the Delta Lake Python API (with a few changes to make it more Ruby-like). You can follow Python tutorials and convert the code to Ruby in many cases. Feel free to open an issue if you run into problems.

History

View the changelog

Contributing

Everyone is encouraged to help improve this project. Here are a few ways you can help:

To get started with development:

git clone https://github.com/ankane/delta-ruby.git
cd delta-ruby
bundle install
bundle exec rake compile
bundle exec rake test

About

Delta Lake for Ruby

Resources

Stars

35 stars

Watchers

2 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Highlight search terms from Google/DuckDuckGo/Bing referrer (function() { var ref = document.referrer; var terms = []; if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) { var url = new URL(ref); var q = url.searchParams.get('q') || url.searchParams.get('p'); if (q) { terms = q.split(/\s+/).filter(function(t) { return t.length > 2; }); } } if (terms.length === 0) return; var style = document.createElement('style'); style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }'; document.head.appendChild(style); function highlight(node) { if (node.nodeType === 3) { // text node var text = node.textContent; var found = false; terms.forEach(function(term) { var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi'); if (regex.test(text)) { found = true; var frag = document.createDocumentFragment(); var parts = text.split(regex); parts.forEach(function(part, i) { if (i % 2 === 0) { frag.appendChild(document.createTextNode(part)); } else { var span = document.createElement('span'); span.className = 'userscript-highlight'; span.textContent = part; frag.appendChild(span); } }); node.parentNode.replaceChild(frag, node); } }); } else if (node.nodeType === 1 && node.childNodes) { // element var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT']; if (!skipTags.includes(node.tagName)) { Array.from(node.childNodes).forEach(highlight); } } } highlight(document.body); // Re-highlight on dynamic content var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1 || node.nodeType === 3) highlight(node); }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - ankane/delta-ruby: Delta Lake for Ruby · GitHub
Skip to content

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delta-ruby

Delta Lake for Ruby

Supports local files and Amazon S3

Build Status

Installation

Add this line to your application’s Gemfile:

gem"deltalake-rb"

It can take 5-10 minutes to compile the gem.

Getting Started

Write data from Polars

df=Polars::DataFrame.new({"id"=>[1,2],"value"=>[3.0,4.0]})DeltaLake.write("./events",df)

Load a table

dt=DeltaLake::Table.new("./events")df=dt.to_polars

Get a lazy frame

lf=dt.to_polars(eager: false)

Append rows

DeltaLake.write("./events",df,mode: "append")

Overwrite a table

DeltaLake.write("./events",df,mode: "overwrite")

Add a constraint

dt.alter.add_constraint({"id_gt_0"=>"id > 0"})

Drop a constraint

dt.alter.drop_constraint("id_gt_0")

Delete rows

dt.delete("id > 1")

Vacuum

dt.vacuum(dry_run: false)

Perform small file compaction

dt.optimize.compact

Colocate similar data in the same files

dt.optimize.z_order(["category"])

Load a previous version of a table

dt=DeltaLake::Table.new("./events",version: 1)# ordt.load_as_version(1)

Get the schema

dt.schema

Get metadata

dt.metadata

Get history

dt.history

API

This library follows the Delta Lake Python API (with a few changes to make it more Ruby-like). You can follow Python tutorials and convert the code to Ruby in many cases. Feel free to open an issue if you run into problems.

History

View the changelog

Contributing

Everyone is encouraged to help improve this project. Here are a few ways you can help:

To get started with development:

git clone https://github.com/ankane/delta-ruby.git
cd delta-ruby
bundle install
bundle exec rake compile
bundle exec rake test

About

Delta Lake for Ruby

Resources

Stars

35 stars

Watchers

2 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Strip utm_, fbclid, gclid, etc. from all links on page (function() { var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid', 'ref', 'ref_src', 'source', 'medium', 'campaign']; function cleanUrl(url) { try { var u = new URL(url, window.location.origin); var changed = false; trackingParams.forEach(function(p) { if (u.searchParams.has(p)) { u.searchParams.delete(p); changed = true; } }); return changed ? u.toString() : url; } catch (e) { return url; } } function cleanLinks() { document.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } cleanLinks(); var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1) { if (node.tagName === 'A') cleanLinks(); node.querySelectorAll('a[href]').forEach(function(a) { var clean = cleanUrl(a.href); if (clean !== a.href) a.href = clean; }); } }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + ' GitHub - ankane/delta-ruby: Delta Lake for Ruby · GitHub
Skip to content

Repository files navigation

delta-ruby

Delta Lake for Ruby

Supports local files and Amazon S3

Build Status

Installation

Add this line to your application’s Gemfile:

gem"deltalake-rb"

It can take 5-10 minutes to compile the gem.

Getting Started

Write data from Polars

df=Polars::DataFrame.new({"id"=>[1,2],"value"=>[3.0,4.0]})DeltaLake.write("./events",df)

Load a table

dt=DeltaLake::Table.new("./events")df=dt.to_polars

Get a lazy frame

lf=dt.to_polars(eager: false)

Append rows

DeltaLake.write("./events",df,mode: "append")

Overwrite a table

DeltaLake.write("./events",df,mode: "overwrite")

Add a constraint

dt.alter.add_constraint({"id_gt_0"=>"id > 0"})

Drop a constraint

dt.alter.drop_constraint("id_gt_0")

Delete rows

dt.delete("id > 1")

Vacuum

dt.vacuum(dry_run: false)

Perform small file compaction

dt.optimize.compact

Colocate similar data in the same files

dt.optimize.z_order(["category"])

Load a previous version of a table

dt=DeltaLake::Table.new("./events",version: 1)# ordt.load_as_version(1)

Get the schema

dt.schema

Get metadata

dt.metadata

Get history

dt.history

API

This library follows the Delta Lake Python API (with a few changes to make it more Ruby-like). You can follow Python tutorials and convert the code to Ruby in many cases. Feel free to open an issue if you run into problems.

History

View the changelog

Contributing

Everyone is encouraged to help improve this project. Here are a few ways you can help:

To get started with development:

git clone https://github.com/ankane/delta-ruby.git
cd delta-ruby
bundle install
bundle exec rake compile
bundle exec rake test

About

Delta Lake for Ruby

Resources

Stars

35 stars

Watchers

2 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Auto-enable theater mode on YouTube (function() { function tryTheater() { var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]'); if (btn && !btn.classList.contains('activated')) { btn.click(); } } // Try immediately tryTheater(); // Try after navigation (SPA) var lastUrl = location.href; setInterval(function() { if (location.href !== lastUrl) { lastUrl = location.href; setTimeout(tryTheater, 500); } }, 1000); // Also try on player load var observer = new MutationObserver(tryTheater); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - ankane/delta-ruby: Delta Lake for Ruby · GitHub
Skip to content

Repository files navigation

delta-ruby

Delta Lake for Ruby

Supports local files and Amazon S3

Build Status

Installation

Add this line to your application’s Gemfile:

gem"deltalake-rb"

It can take 5-10 minutes to compile the gem.

Getting Started

Write data from Polars

df=Polars::DataFrame.new({"id"=>[1,2],"value"=>[3.0,4.0]})DeltaLake.write("./events",df)

Load a table

dt=DeltaLake::Table.new("./events")df=dt.to_polars

Get a lazy frame

lf=dt.to_polars(eager: false)

Append rows

DeltaLake.write("./events",df,mode: "append")

Overwrite a table

DeltaLake.write("./events",df,mode: "overwrite")

Add a constraint

dt.alter.add_constraint({"id_gt_0"=>"id > 0"})

Drop a constraint

dt.alter.drop_constraint("id_gt_0")

Delete rows

dt.delete("id > 1")

Vacuum

dt.vacuum(dry_run: false)

Perform small file compaction

dt.optimize.compact

Colocate similar data in the same files

dt.optimize.z_order(["category"])

Load a previous version of a table

dt=DeltaLake::Table.new("./events",version: 1)# ordt.load_as_version(1)

Get the schema

dt.schema

Get metadata

dt.metadata

Get history

dt.history

API

This library follows the Delta Lake Python API (with a few changes to make it more Ruby-like). You can follow Python tutorials and convert the code to Ruby in many cases. Feel free to open an issue if you run into problems.

History

View the changelog

Contributing

Everyone is encouraged to help improve this project. Here are a few ways you can help:

To get started with development:

git clone https://github.com/ankane/delta-ruby.git
cd delta-ruby
bundle install
bundle exec rake compile
bundle exec rake test

About

Delta Lake for Ruby

Resources

Stars

35 stars

Watchers

2 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Remove or un-stick sticky/fixed headers that block content (function() { function unstick() { document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) { if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') { el.style.position = 'static'; el.style.top = 'auto'; el.style.zIndex = 'auto'; } }); } unstick(); var observer = new MutationObserver(unstick); observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] }); })(); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' GitHub - ankane/delta-ruby: Delta Lake for Ruby · GitHub
Skip to content

Repository files navigation

delta-ruby

Delta Lake for Ruby

Supports local files and Amazon S3

Build Status

Installation

Add this line to your application’s Gemfile:

gem"deltalake-rb"

It can take 5-10 minutes to compile the gem.

Getting Started

Write data from Polars

df=Polars::DataFrame.new({"id"=>[1,2],"value"=>[3.0,4.0]})DeltaLake.write("./events",df)

Load a table

dt=DeltaLake::Table.new("./events")df=dt.to_polars

Get a lazy frame

lf=dt.to_polars(eager: false)

Append rows

DeltaLake.write("./events",df,mode: "append")

Overwrite a table

DeltaLake.write("./events",df,mode: "overwrite")

Add a constraint

dt.alter.add_constraint({"id_gt_0"=>"id > 0"})

Drop a constraint

dt.alter.drop_constraint("id_gt_0")

Delete rows

dt.delete("id > 1")

Vacuum

dt.vacuum(dry_run: false)

Perform small file compaction

dt.optimize.compact

Colocate similar data in the same files

dt.optimize.z_order(["category"])

Load a previous version of a table

dt=DeltaLake::Table.new("./events",version: 1)# ordt.load_as_version(1)

Get the schema

dt.schema

Get metadata

dt.metadata

Get history

dt.history

API

This library follows the Delta Lake Python API (with a few changes to make it more Ruby-like). You can follow Python tutorials and convert the code to Ruby in many cases. Feel free to open an issue if you run into problems.

History

View the changelog

Contributing

Everyone is encouraged to help improve this project. Here are a few ways you can help:

To get started with development:

git clone https://github.com/ankane/delta-ruby.git
cd delta-ruby
bundle install
bundle exec rake compile
bundle exec rake test

About

Delta Lake for Ruby

Resources

Stars

35 stars

Watchers

2 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { // Universal Dark Mode - works on any site (function() { var enabled = true; function applyDarkMode() { if (!enabled) return; // Create style element if it doesn't exist var style = document.getElementById('universal-dark-mode-style'); if (!style) { style = document.createElement('style'); style.id = 'universal-dark-mode-style'; document.head.appendChild(style); } // Dark mode CSS - inverts colors but preserves images/video style.textContent = ' /* Invert everything except media */ html { filter: invert(1) hue-rotate(180deg) !important; background: #1a1a2e !important; } /* Restore images, videos, iframes, canvas */ img, video, iframe, canvas, svg, picture, [style*="background-image"] { filter: invert(1) hue-rotate(180deg) !important; } /* Preserve specific elements that should not be inverted */ .no-dark-mode, .no-dark-mode *, [data-theme="light"], [data-theme="light"], .ace_editor, .ace_editor *, .CodeMirror, .CodeMirror *, .monaco-editor, .monaco-editor *, .markdown-body pre, .markdown-body pre *, .highlight, .highlight *, pre code, pre code * { filter: none !important; } /* Fix common UI elements */ .modal, .popup, .dropdown-menu, .tooltip, .popover { filter: invert(1) hue-rotate(180deg) !important; background: #2d2d44 !important; border-color: #444 !important; } /* Scrollbars */ ::-webkit-scrollbar { background: #1a1a2e !important; } ::-webkit-scrollbar-thumb { background: #444 !important; } ::-webkit-scrollbar-thumb:hover { background: #555 !important; } /* Selection */ ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; } ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; } '; } function removeDarkMode() { var style = document.getElementById('universal-dark-mode-style'); if (style) style.remove(); } // Toggle with Alt+Shift+D document.addEventListener('keydown', function(e) { if (e.altKey && e.shiftKey && e.key === 'D') { e.preventDefault(); enabled = !enabled; if (enabled) { applyDarkMode(); console.log('[Universal Dark Mode] Enabled'); } else { removeDarkMode(); console.log('[Universal Dark Mode] Disabled'); } } }); // Apply on load applyDarkMode(); // Re-apply on dynamic content var observer = new MutationObserver(function(mutations) { if (enabled && !document.getElementById('universal-dark-mode-style')) { applyDarkMode(); } }); observer.observe(document.head, { childList: true }); console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle'); })(); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })(); GitHub - ankane/delta-ruby: Delta Lake for Ruby · GitHub
Skip to content

Repository files navigation

delta-ruby

Delta Lake for Ruby

Supports local files and Amazon S3

Build Status

Installation

Add this line to your application’s Gemfile:

gem"deltalake-rb"

It can take 5-10 minutes to compile the gem.

Getting Started

Write data from Polars

df=Polars::DataFrame.new({"id"=>[1,2],"value"=>[3.0,4.0]})DeltaLake.write("./events",df)

Load a table

dt=DeltaLake::Table.new("./events")df=dt.to_polars

Get a lazy frame

lf=dt.to_polars(eager: false)

Append rows

DeltaLake.write("./events",df,mode: "append")

Overwrite a table

DeltaLake.write("./events",df,mode: "overwrite")

Add a constraint

dt.alter.add_constraint({"id_gt_0"=>"id > 0"})

Drop a constraint

dt.alter.drop_constraint("id_gt_0")

Delete rows

dt.delete("id > 1")

Vacuum

dt.vacuum(dry_run: false)

Perform small file compaction

dt.optimize.compact

Colocate similar data in the same files

dt.optimize.z_order(["category"])

Load a previous version of a table

dt=DeltaLake::Table.new("./events",version: 1)# ordt.load_as_version(1)

Get the schema

dt.schema

Get metadata

dt.metadata

Get history

dt.history

API

This library follows the Delta Lake Python API (with a few changes to make it more Ruby-like). You can follow Python tutorials and convert the code to Ruby in many cases. Feel free to open an issue if you run into problems.

History

View the changelog

Contributing

Everyone is encouraged to help improve this project. Here are a few ways you can help:

To get started with development:

git clone https://github.com/ankane/delta-ruby.git
cd delta-ruby
bundle install
bundle exec rake compile
bundle exec rake test

About

Delta Lake for Ruby

Resources

Stars

35 stars

Watchers

2 watching

Forks

Releases

Packages

Used by

Contributors

Languages