Merge pull request #4 from tinybirdco/add-view

feat: add datasources and materializations for trace timing aggregations

Author: alrocar

datasources/otel_traces_trace_id_ts.datasource

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+DESCRIPTION >
+    Target datasource for trace timing aggregations with TraceId start and end times
+
+SCHEMA >
+    `TraceId` String,
+    `Start` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
+	`End` DateTime64(9) CODEC(Delta(8), ZSTD(1)),
+
+ENGINE "MergeTree"
+ENGINE_SORTING_KEY "TraceId, toUnixTimestamp(Start)"

materializations/otel_traces_trace_id_ts_mv.pipe

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+DESCRIPTION >
+    Materialized view to aggregate trace start and end times by TraceId
+
+NODE otel_traces_trace_id_ts_mv_node
+SQL >
+    SELECT
+        TraceId,
+        min(Timestamp) AS Start,
+        max(Timestamp) AS End
+    FROM otel_traces
+    WHERE TraceId != ''
+    GROUP BY TraceId
+
+TYPE MATERIALIZED
+DATASOURCE otel_traces_trace_id_ts