teradata DDL support

.codegen.json

@@ -0,0 +1,10 @@
+{
+  "version": {
+    "src/databricks/labs/remorph/__about__.py": "__version__ = \"$VERSION\""
+  },
+  "toolchain": {
+    "required": ["hatch"],
+    "pre_setup": ["hatch env create"],
+    "prepend_path": ".venv/bin"
+  }
+}

.editorconfig

@@ -0,0 +1,22 @@
+# Top-most EditorConfig file.
+root = true
+
+# Universal settings.
+[*]
+indent_style = space
+indent_size = 4
+tab_width = 8
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[Makefile]
+indent_style = tab
+indent_size = tab
+
+[*.{json,yml}]
+indent_size = 2
+
+[*.scala]
+indent_size = 2

.github/ISSUE_TEMPLATE/bug.yml

@@ -0,0 +1,92 @@
+# See https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-issue-forms
+# and https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-githubs-form-schema
+name: Bug Report
+description: Something is not working in Remorph
+title: "[BUG]: "
+labels: ["bug", "needs-triage"]
+# assignees:
+#   - remorph-write
+body:
+  - type: checkboxes
+    attributes:
+      label: Is there an existing issue for this?
+      description: Please search to see if an issue already exists for the bug you encountered.
+      options:
+        - label: I have searched the existing issues
+          required: true
+  - type: dropdown
+    id: category
+    attributes:
+      label: Category of Bug / Issue
+      description: Please select the category that best describes the bug / issue you are reporting.
+      options:
+        - TranspileParserError
+        - TranspileValidationError
+        - TranspileLateralColumnAliasError
+        - ReconcileError
+        - Other
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Current Behavior
+      description: |
+        A concise description of what you're experiencing.
+        **Do not paste links to attachments with logs and/or images, as all issues with attachments will get deleted.**
+        Use the `Relevant log output` field to paste redacted log output without personal identifying information (PII).
+        You can Ctrl/Cmd+V the screenshot, which would appear as a rendered image if it doesn't contain any PII.
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Expected Behavior
+      description: A concise description of what you expected to happen.
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Steps To Reproduce
+      description: Steps to reproduce the behavior.
+      placeholder: |
+        1. In this environment...
+        1. With this config...
+        1. Run '...'
+        1. See error...
+    validations:
+      required: false
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant log output or Exception details
+      description: Please copy and paste any relevant log output. This will be automatically formatted into code, so no need for backticks.
+      render: shell
+  - type: textarea
+    id: query
+    attributes:
+      label: Sample Query
+      description: Please copy and paste anonymized Query. This will be automatically formatted into code, so no need for backticks.
+      render: shell
+  - type: dropdown
+    id: os
+    attributes:
+      label: Operating System
+      description: Which operating system do you have Remorph installed on?
+      options:
+        - macOS
+        - Linux
+        - Windows
+    validations:
+      required: true
+  - type: dropdown
+    id: version
+    attributes:
+      label: Version
+      description: What version of our software are you running?
+      options:
+        - latest via Databricks CLI
+        - v0.1.5
+        - v0.1.4
+        - other
+      default: 0
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,9 @@
+blank_issues_enabled: false
+contact_links:
+  - name: General Databricks questions
+    url: https://help.databricks.com/
+    about: Issues related to Databricks and not related to Remorph
+
+  - name: Remorph Documentation
+    url: https://github.com/databrickslabs/remorph/tree/main/docs
+    about: Documentation about Remorph

.github/ISSUE_TEMPLATE/feature.yml

@@ -0,0 +1,45 @@
+# See https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-issue-forms
+# and https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-githubs-form-schema
+name: Feature Request
+description: Something new needs to happen with Remorph
+title: "[FEATURE]: "
+labels: ["enhancement", "needs-triage"]
+# assignees:
+#   - remorph-write
+body:
+  - type: checkboxes
+    attributes:
+      label: Is there an existing issue for this?
+      description: Please search to see if an issue already exists for the feature request you're willing to submit
+      options:
+        - label: I have searched the existing issues
+          required: true
+  - type: dropdown
+    id: category
+    attributes:
+      label: Category of feature request
+      description: Please select the category that best describes the feature you are requesting for.
+      options:
+        - Transpile
+        - Reconcile
+        - Other
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Problem statement
+      description: A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Proposed Solution
+      description: A clear and concise description of what you want to happen.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Additional Context
+      description: Add any other context, references or screenshots about the feature request here.
+    validations:
+      required: false

.github/dependabot.yml

@@ -3,4 +3,25 @@ updates:
   - package-ecosystem: "pip"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "daily"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+  - package-ecosystem: "maven"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    ignore:
+      # Ignore updates for Databricks Connect: the version in use needs to match the testing infrastructure.
+      - dependency-name: "com.databricks:databricks-connect"
+      # Ignore non-patch updates for Scala: we manually manage the Scala version.
+      - dependency-name: "org.scala-lang:scala-library"
+        update-types:
+          # (Scala 2 patch releases are binary compatible, so they're the only type allowed.)
+          - "version-update:semver-minor"
+          - "version-update:semver-major"
+      # Mockito from 5.x requires JDK 11, but we are using JDK 8.
+      - dependency-name: "org.mockito:mockito-core"
+        versions:
+          - ">=5.0.0"

.github/scripts/setup_spark_remote.sh

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+
+set -xve
+
+mkdir -p "$HOME"/spark
+cd "$HOME"/spark || exit 1
+
+version=$(wget -O - https://dlcdn.apache.org/spark/ | grep 'href="spark' | grep -v 'preview' | sed 's:</a>:\n:g' | sed -n 's/.*>//p' | tr -d spark- | tr -d / | sort -r --version-sort | head -1)
+if [ -z "$version" ]; then
+  echo "Failed to extract Spark version"
+   exit 1
+fi
+
+spark=spark-${version}-bin-hadoop3
+spark_connect="spark-connect_2.12"
+
+mkdir -p "${spark}"
+
+
+SERVER_SCRIPT=$HOME/spark/${spark}/sbin/start-connect-server.sh
+
+## check the spark version already exist ,if not download the respective version
+if [ -f "${SERVER_SCRIPT}" ];then
+  echo "Spark Version already exists"
+else
+  if [ -f "${spark}.tgz" ];then
+    echo "${spark}.tgz already exists"
+  else
+    wget "https://dlcdn.apache.org/spark/spark-${version}/${spark}.tgz"
+  fi
+  tar -xvf "${spark}.tgz"
+fi
+
+cd "${spark}" || exit 1
+## check spark remote is running,if not start the spark remote
+result=$(${SERVER_SCRIPT} --packages org.apache.spark:${spark_connect}:"${version}" > "$HOME"/spark/log.out; echo $?)
+
+if [ "$result" -ne 0 ]; then
+    count=$(tail "${HOME}"/spark/log.out | grep -c "SparkConnectServer running as process")
+    if [ "${count}" == "0" ]; then
+            echo "Failed to start the server"
+        exit 1
+    fi
+    # Wait for the server to start by pinging localhost:4040
+    echo "Waiting for the server to start..."
+    for i in {1..30}; do
+        if nc -z localhost 4040; then
+            echo "Server is up and running"
+            break
+        fi
+        echo "Server not yet available, retrying in 5 seconds..."
+        sleep 5
+    done
+
+    if ! nc -z localhost 4040; then
+        echo "Failed to start the server within the expected time"
+        exit 1
+    fi
+fi
+echo "Started the Server"